Sharon is 54 inches tall. a tree in her backyard is 5 times as tall as she is. the floor of her treehouse is at a height that is twice as talll as she is. what is the differences, in inches, between the top of the tree and the floor of the treehouse?

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.