It makes you redo everything you already did if you get just a bit wrong. I don't like this website.
Derek D.'s review of Khan Academy earned 5 Very Helpful votes
Derek hasn’t received any thanks yous.
Derek doesn’t have any fans yet.
Derek isn’t following anybody yet.
Empty.
My dog did Khan Academy and commited suicide. Due to getting the last question wrong on the pre...
I GOT THE QUESTION RIGHT BUT IT SAID IT WAS WAS WRONG BECAUSE I WROTE IT WRONG. HORRUBLE TUTOR IT...