On a sunny day, the tree in your backyard casts a shadow of 16 feet. At the same time, you cast a shadow of 4 feet. You are 5 feet 3 inches tall. How tall is the tree?
21.2 ft
17.3 ft
12.2 ft
21 ft

15 point ! ~ see if you know the answer to both you!

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

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.