(1 pts) 7) Write the statement as an equation and solve:
If John delivered three fewer pizzas than Sue and together they delivered 31 pizzas, how many
pizzas did Sue deliver?
O X+X-3 = 31; Sue delivered 14
pizzas
X+ 3 = 31; Sue delivered 28
pizzas
O X - 3 = 31; Sue delivered 34
pizzas
O x + x - 3 = 31; Sue delivered 17
pizzas
8) Solve: x= 40 (1pts)

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.