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Yolanda: YAlex: AJennifer: JY = 160 + AA = 2JY + A + J = 440160 + A + 2J + J = 440160 + A + 3J = 440280 = A + 3J280 = 5JJ = 280/5 = 56A = 2 · 56 = 112Y = 112 + 160 = 272

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Interesting, could you develop your question? Usually when I was doing exercises on KA there were no videos available. 

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Are you starting physics with calculus or without? I would recommend to have at least a calculus I level, even calculus II. But if you're taking hs courses in college like i did you could be fine w...

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Are these guys bots? Or what are they, what are they doing? They just copy messages from 1 month and change some words using an external link. It's not the first time this happens to me, I don't un...

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Try to finish the course and see if the content is valuable for your purpose. If it isn't keep learning in another site. 

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All the luck to you Ariana, you will get far! We're here to support each other. 

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That's a good question. DO NOT do again the mastery unit. If you click on a course, (not on a specific topic inside the course), there's going to be something called a Mastery Challenge where there...

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The 3rd grade course is going to be completed whenever you master the 2nd grade. It's a preparation course as it's name says. It covers the fundamental basics you need to start 3rd grade without pr...

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Just clicking on See all math. The same for English, there's a <Courses> button at the top-left part whenever you enter your profile. 

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That's a great initiative. The thing that I never understand is why do you want to partner or create a non-profit or profit organization that offers education when you have KA. It doesn't cost you ...

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