Harry is one third as old as his father. If his father is x + 12 years old, how old is Harry? StartFraction x over 3 EndFraction + 4 StartFraction x over 3 EndFraction + 12 3 x + 12 3 x + 36

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

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.