Phishing attacks. Mason receives an email from a law firm called "Baker & McKenzie". The email states that they are scheduled to appear in court and includes a link to view the court notice. Mason is suspicious that this may be a phishing attack, since this is the first they've heard about a court appearance. What would be the safest next step?First, you lost the variable in the middle term of your answer. Next, you need to factor out the greatest common factor. You found the numeric portion, however, you didn't look at the variables. The greatest common factor must include some number of b's because all the terms have b's. Give it a try.Languages. JavaScript 100.0%. A hack for khan acadmy. Contribute to theBlaize/Khan-Acadamy-Bookmarklet-hack development by creating an account on GitHub.Khan Coaching Academy Peshawar, Peshawar, Pakistan. 15,300 likes · 218 talking about this · 631 were here. We open doorsTranscript. The Caesar Cipher, used by Julius Caesar around 58 BC, is a substitution cipher that shifts letters in a message to make it unreadable if intercepted. To decrypt, the receiver reverses the shift. Arab mathematician Al-Kindi broke the Caesar Cipher using frequency analysis, which exploits patterns in letter frequencies.In the world of Bollywood, success is often attributed to the talent and hard work of actors. However, behind every successful actor, there is usually a team of dedicated individua...3. Hello, Recently,, I caught some of my kids abusing the hint feature. What they do is get the answer to questions using the hint feature, and they write them down. They then redo the lesson until they get the same set of questions It's easy to look at the data and determine who used this cheating strategy, but it is still a pain to deal with.Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.The best way to practice for the digital SAT is free for everyone. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.Ethical hacking (AKA penetration testing) involves trying to break into an organization’s networks and systems to evaluate its cyber defenses. Unlike the malicious hacking you …Mastery Challenges are a way for you to review and practice skills you’ve previously learned in a course. It's also another way for you to earn mastery levels, in addition to taking Unit Tests and Course Challenges. Mastery Challenges aren't always available. They are unlocked when: You've reached the Familiar level on at least 3 skills. …Theo is a student from the University of Waterloo, where he studies Combinatorics and Computer Science. He's working to improve subtitles and internationalization by hacking in Python at Khan Academy. He also enjoys functional programming, vim, and Khan Academy's board game night.We'll get right to the point: we're asking you to help support Khan Academy. We're a nonprofit that relies on support from people like you. If everyone reading this gives $10 monthly, Khan Academy can continue to thrive for years. Please help keep Khan Academy free, for anyone, anywhere forever.Hackathons Can Be Healthy. By Tom Yedwab. As an organization whose raison d’être is learning – we in fact have a campaign called “You Can Learn Anything!” – having a dedicated time where anyone at Khan Academy can tackle a new problem and learn something by doing is kind of a no-brainer. Most software engineers I know have a strong ...There is no definitive account of Ghengis Khan’s height. Descriptions simply describe him as tall. Tall is likely relevant, however. The average height of man during the time in wh...Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.Basically this hack overrides a javascript file inside of Khan Academy to create a variable named "y" which has the answer stored, the way I override is I fetch the modified file from the github and I convert it to text and then eval it, this allows us to get the answer. How to use it: Go to bookmark.js. copy the contents.With the increasing reliance on smartphones for various activities such as banking, social media, and online shopping, it is crucial to be aware of the signs that your phone may be... What is ethical hacking? Ethical hacking (AKA penetration testing) involves trying to break into an organization’s networks and systems to evaluate its cyber defenses. Unlike the malicious hacking you hear about in the news, ethical hacking is entirely legal and plays a big role in cybersecurity. Build Your Career with the Most In-Demand Ethical Hacking Certification in the World,Certified Ethical Hacker. The World’s Number 1 Ethical Hacking Certification. A Structured Professional Course for Aspiring Cyber Professionals. Work Anywhere With C|EH- It’s Globally Recognized. Comprehensive Program to Master the 5 Phases of Ethical Hacking.You can see how much of Khanmigo's AI power you have remaining by looking at the battery icon on Khanmigo. You will receive warning messages when (a) you are approaching the AI power limit and (b) when the limit has been reached. (a) (b) Once Khanmigo’s battery runs out, you won’t be able to use Khanmigo until the next morning …Khan Academy is a 501(c)(3) nonprofit organization, with the mission of providing a free, world-class education for anyone, anywhere. show more show less Khan Academy variants. Variant. Arch Architecture. Version Minimum Version. DPI Screen DPI (arm-v7a) (320dpi) (Android 4.4+) Latest: 6.9.1 on April 2, 2020. The Internet Protocol (IP) is one of the core protocols in the layers of the Internet, as you might guess from its name. It's used in all Internet communication to handle both addressing and routing. The protocol describes the use of IP addresses to uniquely identify Internet-connected devices. Just like homes need mailing addresses to receive ... WHAT IS KHANHACK? KhanHack is a project to help you for top scores on your Khan Academy Assignments. It works by telling you the answer to the problem you're on, and the next problem. Right now, its in its second version, and the answers are given through a toggle-able menu at the top right of your screen. Aug 15, 2013 ... After learning a bit about Khan Academy's API, re-downloading all the videos, learning about Handbrake Encoding Options, and yes, hacking a bit ...I do not believe Khan Academy will think about doing this but there are other sites that you can learn ethical hacking. edX for 1 I believe has it. YouTube has some good videos on ethical hacking. sans.org has free course. Udemy has a course also. These web pages have specialized teachers but KA is a science and math organization for students.With the prevalence of technology in our lives, it’s important to take the necessary steps to protect your data and privacy. One of the most common ways that hackers can gain acces... If you liked the video, leave a sub and like and if you want to add a comment as well. See you!Hello and welcome to this special "tutorial" video. I really w... In the world of showbiz, success stories often come with their fair share of mentors and guidance. One such inspiring journey is that of Usha Mehta and Sara Ali Khan. Usha Mehta, a...Khan Academy YouTube Playback Rate Enforcer JS - Remembers the playback rate you set on Khan Academy's YouTube player and enforces it across … Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. In today’s digital age, accessing information online has become an integral part of our lives. From shopping to banking, almost everything can now be done with just a few clicks. T...Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone ...Welcome to the Black Hole Badges tips. According to Khan Academy, Black Hole badges are legendary and unique. 4 out of 6 are impossible for most users to earn, and the other 2 are very difficult to earn. To earn Tesla, users have to earn 10,000,000 energy points. One way to get the badge is to watch at least 5000 videos and acquire at least …Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.Khan Academy is a nonprofit providing a free, world-class education for anyone, anywhere. Our interactive practice problems, articles, and videos help students succeed in math, biology, chemistry ...Khan Academy has thousands of articles, practice problems, and videos to help you learn a wide range of subjects. Click on the Courses tab at the top left of our site or search for a topic to get started. 2. Focus on specific units. Once you have chosen your course, you can look for the exact unit you want to learn or review.With the increasing reliance on smartphones for various aspects of our lives, it’s important to ensure that our devices are secure from hacking attempts. iPhones, known for their r...Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.A phishing attack is an attempt to trick a user into divulging their private information. A phisher puts out some tempting bait, a persuasive website. If the user bites, then the … If you are using NAT (which most home networks with a router will be using) your router will present a single external IP address to the world, and your devices on your local network will have addresses between 192.168.0.0 and 192.168.255.255. NAT works by making up port numbers for each device on your local network. Basically this hack overrides a javascript file inside of Khan Academy to create a variable named "y" which has the answer stored, the way I override is I fetch the modified file from the github and I convert it to text and then eval it, this allows us to get the answer. How to use it: Go to bookmark.js. copy the contents.As someone who has over 57 million points on Khan Academy, I gotta say that there is no point in cheating or using an "easy" method. Just use the site to learn and by doing that, you'll get plenty of points. If you master 500 skills you get: Magellan (30k), Sally Ride (35k), Copernicus (80k), Kepler (125k), Hypatia (125k), Newton (150k), and Da ...Multi-factor authentication. To defend against both local and remote attacks, authentication systems use a common access control technique known as multi-factor authentication (MFA). MFA requires a user to present evidence from multiple distinct factors (e.g. something you know and something you have) to gain access to a system. We would like to show you a description here but the site won’t allow us. Onward! We use p -values to make conclusions in significance testing. More specifically, we compare the p -value to a significance level α to make conclusions about our hypotheses. If the p -value is lower than the significance level we chose, then we reject the null hypothesis H 0 in favor of the alternative hypothesis H a .The internet is full of malicious actors looking to take advantage of unsuspecting users. Unfortunately, this means that your online accounts are at risk of being hacked. If you fi...Khan Academy Bookmarklet that is meant to automatically answer your current question correctly. Simply copy and paste this code into a new bookmark. Raw. khan_marklet.js This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that …Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.Badges are awarded for behaviors— earning points, achieving mastery of exercises, or other behaviors like building community or learning computer science. There are five primary levels of badges. From the most common to the rarest, they are: There are also other special "Challenge Patches," which can be earned for completing certain …Overview. The Khan Academy Hack Extension Used To View All Answers! Introducing the Khan Academy Hack, an extension which shows you the answers to lessons and any …Community. In this course, you'll explore the wonders of what you can create with programming. Learn how to program drawings, animations, and games using JavaScript and the Processing library, and explore the technologies behind the web as you design webpages with HTML and CSS.Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.Consumer protection 101. Scammers are always evolving and coming up with new ways to trick people out of their money. In this unit, we'll go over the different types of scams, the red flags to watch out for, and how to protect yourself from becoming a victim.Hackers may not be who we think they are. In fact, you might be a hacker and not even know it. Learn the true meaning of hacking and some of the many reasons that hackers …Dec 9, 2012 ... Khan Academy - Download as a PDF or view online for free.A keylogger will replicate itself into other files on the computer. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.Phishing attacks. In a phishing attack, scammers send emails or texts pretending to be from a trusted source, like PayPal or Amazon. They use urgent language to scare you into clicking links and providing your login information. To avoid falling for these scams, always verify email addresses and URLs before taking any action.Fake Kahn Academy Hack JS - Fake kahn hack ; jt3ch.net Author jpbberry Daily installs 1 Total installs 1,055 Ratings 0 0 0 Created 2017-12-06 Updated ... Khan Academy YouTube Playback Rate Enforcer JS - Remembers the playback rate you set on Khan Academy's YouTube player and enforces it across lessonsKhan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.Aug 15, 2013 ... After learning a bit about Khan Academy's API, re-downloading all the videos, learning about Handbrake Encoding Options, and yes, hacking a bit ...Multi-factor authentication. To defend against both local and remote attacks, authentication systems use a common access control technique known as multi-factor authentication (MFA). MFA requires a user to present evidence from multiple distinct factors (e.g. something you know and something you have) to gain access to a system.4 steps to become an ethical hacker. Relevant education and experience help build a rewarding career while inspiring trust among potential employers. Although there’s no single path to become an ethical hacker, these are four steps to launch your career. 1. Develop a strong foundation and consider a degree. Học miễn phí nhiều môn học như toán học, nghệ thuật, lập trình, kinh tế học, vật lý, hóa học, sinh học, y học, tài chính, lịch sử và nhiều hơn nữa. Khan Academy là tổ chức phi lợi nhuận với sứ mệnh cung cấp một nền giáo dục với đẳng cấp quốc tế, hoàn toàn miễn phí, cho bất kỳ ai, ở bất kỳ nơi đâu. I do not believe Khan Academy will think about doing this but there are other sites that you can learn ethical hacking. edX for 1 I believe has it. YouTube has some good videos on ethical hacking. sans.org has free course. Udemy has a course also. These web pages have specialized teachers but KA is a science and math organization for students. However, such a skill requires great responsibility. Learn about the responsibility an ethical hacker have in this introductory course to Ethical Hacking. In this course, you will get a peek into what it means to be an Ethical Hacker, practice hacking ethically, and learn the tools and techniques to be an efficient hacker.The 'Khan Academy Hack' is a Chrome extension designed to help users effortlessly view the answers for lessons and quizzes on Khan Academy. By intercepting data from the server, it displays the solutions through a user-friendly interface, saving time and effort. Users must activate the extension before starting any lessons or quizzes for it …Mar 17, 2023 · You can see how much of Khanmigo's AI power you have remaining by looking at the battery icon on Khanmigo. You will receive warning messages when (a) you are approaching the AI power limit and (b) when the limit has been reached. (a) (b) Once Khanmigo’s battery runs out, you won’t be able to use Khanmigo until the next morning (scheduled to ... First, you lost the variable in the middle term of your answer. Next, you need to factor out the greatest common factor. You found the numeric portion, however, you didn't look at the variables. The greatest common factor must include some number of b's because all the terms have b's. Give it a try.The Khan Academy is an online learning platform that offers free educational resources to students of all ages. With the Khan Academy, you can learn anywhere, anytime. The Khan Aca...Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.Mastery Challenges are a way for you to review and practice skills you’ve previously learned in a course. It's also another way for you to earn mastery levels, in addition to taking Unit Tests and Course Challenges. Mastery Challenges aren't always available. They are unlocked when: You've reached the Familiar level on at least 3 skills. …4 steps to become an ethical hacker. Relevant education and experience help build a rewarding career while inspiring trust among potential employers. Although there’s no single path to become an ethical hacker, these are four steps to launch your career. 1. Develop a strong foundation and consider a degree.We'll get right to the point: we're asking you to help support Khan Academy. We're a nonprofit that relies on support from people like you. If everyone reading this gives $10 monthly, Khan Academy can continue to thrive for years. Please help keep Khan Academy free, for anyone, anywhere forever.Aprenda Matemática, Artes, Programação de Computadores, Economia, Física, Química, Biologia, Medicina, Finanças, História e muito mais, gratuitamente. A Khan Academy é uma organização sem fins lucrativos com a missão de oferecer ensino de qualidade gratuito para qualquer pessoa, em qualquer lugar.Video transcript. So in this video, we're going to show you how to hack a click and stick tap light. We're going to show you how to use the body of the tap light for the Spider's body. And we're going to also show you how to use the switch to turn Spider on and off. So the first thing we need to do is take the screws out. Học miễn phí nhiều môn học như toán học, nghệ thuật, lập trình, kinh tế học, vật lý, hóa học, sinh học, y học, tài chính, lịch sử và nhiều hơn nữa. Khan Academy là tổ chức phi lợi nhuận với sứ mệnh cung cấp một nền giáo dục với đẳng cấp quốc tế, hoàn toàn miễn phí, cho bất kỳ ai, ở bất kỳ nơi đâu. Khan Academy privacy principles. We’re deeply committed to creating a safe and secure online environment for you. We do not sell your personal information to third parties. We established ourselves as a not-for-profit organization so that our mission of education and your trust will not be in conflict with a for-profit motive. Meet the Team. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Oct 28, 2020 ... He read books about audio journalism, watched instructional videos from the Khan Academy, and studied podcasts he admired, like This American ...1. Khan Academy Answers . This tool allows users to search for specific answers on any topic in their database. The database contains over 25 million content pages from Khan Academy teachers and educators. To get Khan Academy answers, you need to follow these steps:A quick guide to translating common prose statements into conditional logic statements. Diagramming conditional logic statements is an extremely useful strategy often employed by high-scoring students. However, diagramming these statements accurately—a crucial skill—can be a challenge due to the many ways that sufficient and necessary ... Learn for free about math, art, computer programming, economics, physics, chemistry, bio
Khan Academy Extension is a browser extension for the computing section of Khan Academy. It is developed by Jett Burns, Ethan Luis McDonough, Matthias Portzel, Luke Krikorian, and Bhavjit Chauhan. Contributing. Run the extension locally: Run npm install in the extension directory.Khan Academy is a 501(c)(3) nonprofit organization. Donate or volunteer today! About. News; Impact; Our team; Our interns; Our content specialists Our leadership; Our supporters; Our contributors; Our finances; Careers; Internships; Contact. Help Center; Support community; Share your story; Press; Download our apps. iOS app;Khan Academy YouTube Playback Rate Enforcer JS - Remembers the playback rate you set on Khan Academy's YouTube player and enforces it across …Khan Academy is committed to these privacy principles: We’re deeply committed to creating a safe and secure online environment for you. We do not sell your personal information to third parties. We established ourselves as a not-for-profit organization so that our mission of education and your trust will not be in conflict with a for-profit ...खान एकेडमी से जुड़ें और हमारे साथ सीखें शुरूआत करने के लिए खान एकेडमी में लॉग इन करें!There is A LOT you can do, but here are some quick suggestions: 1) don't use the same password in to many places. 2) use a trustworthy VPN when accessing sketchy websites. 3) don't download things from random websites. 4) don't answer emails from people you don't know. 5) don't share personal information online.Hackers may not be who we think they are. In fact, you might be a hacker and not even know it. Learn the true meaning of hacking and some of the many reasons that hackers …Multi-factor authentication. To defend against both local and remote attacks, authentication systems use a common access control technique known as multi-factor authentication (MFA). MFA requires a user to present evidence from multiple distinct factors (e.g. something you know and something you have) to gain access to a system.Using the Bluebook™ app is straightforward. Once you open the app, you’ll see a “Practice and Prepare” section right on the homescreen. Here you can choose between a “Test Preview” or “Full-Length Practice”. Clicking “Test Preview” will allow you to preview the format of the SAT, the directions, and the question types ...The Derivatives: definition and basic rules is a section of Differential Calculus on Khan Academy that has a 25 question unit test. Not being able to reset a test like this when most mistakes that those capable of reaching 100% make are simple mistakes of formatting in their answers makes achieving 100% very time consuming and frustrating.You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. I do not believe Khan Academy will think about doing this but there are other sites that you can learn ethical hacking. edX for 1 I believe has it. YouTube has some good videos on ethical hacking. sans.org has free course. Udemy has a course also. These web pages have specialized teachers but KA is a science and math organization for students. This is the raw video, (couldn't edit it sorry)Links ~ https://github.com/theBlaize/Khan-Acadamy-Bookmarklet-hackSub for more hacksHackers may not be who we think they are. In fact, you might be a hacker and not even know it. Learn the true meaning of hacking and some of the many reasons that hackers …When I read your comments at first, I was like "WHAT!!", but now that I think about it, a store is pretty worthless. Somebody might hack accounts for points, ...Hackers may not be who we think they are. In fact, you might be a hacker and not even know it. Learn the true meaning of hacking and some of the many reasons that hackers …KhanHack. Here is a Khan Academy Solver! These are versions of this script where the code was updated. Show all versions. v3.9 Apr 14, 2023. Patched the fact that the script no longer works. There may be bugs. These will be fixed in KhanHack version 4.0. v3.2 Mar 30, 2022.Basically this hack overrides a javascript file inside of Khan Academy to create a variable named "y" which has the answer stored, the way I override is I fetch the modified file from the github and I convert it to text and then eval it, this allows us to get the answer. How to use it: Go to bookmark.js. copy the contents.It's literally everything in the 8th grade khan academy skill list that I don't understand fully, I'll give you what I am struggling on most right now though, 1. Approximating with powers of 10 2. Powers of products & quotients (integer exponents) 3. Signs of expressions challenge 4. Equations with variables on both sides: decimals & fractions 5.1. Khan Academy Answers . This tool allows users to search for specific answers on any topic in their database. The database contains over 25 million content pages from Khan Academy teachers and educators. To get Khan Academy answers, you need to follow these steps:Learn free ethical hacking essentials or EHE certification concepts from the World's next-gen security training. Complete your free ethical hacking course ...Nov 7, 2015 ... There's no reason why it should take so much hacking to expose (what I think is) their site's main benefit to students. 11/9/15 Update: For ...Languages. JavaScript 100.0%. A hack for khan acadmy. Contribute to theBlaize/Khan-Acadamy-Bookmarklet-hack development by creating an account on GitHub.In today’s digital age, our smartphones have become an integral part of our lives. From personal information to financial transactions, we store and access a plethora of sensitive ...Finding out that your personal information was compromised and may have gotten into the wrong hands is never good news. And many Americans found this out the hard way due to a data...You can see how much of Khanmigo's AI power you have remaining by looking at the battery icon on Khanmigo. You will receive warning messages when (a) you are approaching the AI power limit and (b) when the limit has been reached. (a) (b) Once Khanmigo’s battery runs out, you won’t be able to use Khanmigo until the next morning …3. Hello, Recently,, I caught some of my kids abusing the hint feature. What they do is get the answer to questions using the hint feature, and they write them down. They then redo the lesson until they get the same set of questions It's easy to look at the data and determine who used this cheating strategy, but it is still a pain to deal with.Te acompañamos para que te conviertas en un especialista del Hacking. Brindamos la experiencia de los mejores profesionales a través de una ruta de aprendizaje que contiene cursos, exámenes,ejercicios prácticos y laboratorios. Todos nuestros contenidos son realizados con el fin de que cumplas tus objetivos en el mundo de la ciberseguridad.Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.The Internet Protocol (IP) is one of the core protocols in the layers of the Internet, as you might guess from its name. It's used in all Internet communication to handle both addressing and routing. The protocol describes the use of IP addresses to uniquely identify Internet-connected devices. Just like homes need mailing addresses to receive ...Khan Academy YouTube Playback Rate Enforcer JS - Remembers the playback rate you set on Khan Academy's YouTube player and enforces it across …Welcome to the Physics library! Physics is the study of matter, motion, energy, and force. Here, you can browse videos, articles, and exercises by topic. We keep the library up-to-date, so you may find new or improved material here over time.Get INFINITE Khan Academy energy points with this awesome hack!!Flex your energy points to your friends!Don't forget to sub to my channel if u enjoyed this v...Khan AcademyLearn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.I do not believe Khan Academy will think about doing this but there are other sites that you can learn ethical hacking. edX for 1 I believe has it. YouTube has some good videos on ethical hacking. sans.org has free course. Udemy has a course also. These web pages have specialized teachers but KA is a science and math organization for students.These materials enable personalized practice alongside the new Illustrative Mathematics 6th grade curriculum. They were created by Khan Academy math experts and reviewed for curriculum alignment by experts at both Illustrative Mathematics and Khan Academy.