Write an equation that says that the length of the green line is equal to the length of the black line. Combine like terms.

Asphere has a diameter of 10 in. what is the volume of the sphere?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.