Mark Zuckerberg on Taking Risks and Finding Talented People

In my first year, I have these moments where I wanted to quit. I was just like, this is not for me, you know? Maybe real estate’s not for me. Maybe I got so frustrated. I was helping this dude out, and then like halfway through, he’s like, you know what? …

We’re already somewhat familiar with the idea of division. If I were to say 8 divided by 2, you could think of that as 8 objects: 1, 2, 3, 4, 5, 6, 7, 8. Divided into equal groups of two. So how many equal groups of two could you have? Well, you could hav…

What’s up you guys, it’s Graham here. So let’s cover one of my favorite ways to invest ever, besides real estate. I would even go so far as to say that this is the best, safest, and easiest long-term investment strategy out there for most people. Also, th…

So let’s do another curvature example. This time, I’ll just take a two-dimensional curve, so it’ll have two different components: x of t and y of t. The specific components here will be t minus the sine of t, t minus sine of t, and then one minus cosine o…

Hi, this is Kim from Khan Academy. Today we’re learning more about the landmark Supreme Court case Dred Scott versus Sanford, decided in 1857. The ruling in the Dred Scott case inflamed sectional tensions over slavery, which had been growing ever more hea…

What’s up, Graham? It’s guys here. So, we got to talk about the housing market because after two years of non-stop bidding wars, price increases, and low inventory, believe it or not, asking prices have begun to fall. Except for Betty White’s house, which…