Challenge sage wants to buy board games for some of her friends. board games
cost $9 each. she has $6 and one coupon for $3 off. her aunt barbara gave her $7
and another coupon for $3 off.
a how many games can sage buy if she uses the coupons? show your work.
b
will sage have any money left over? if so, how much? show your work.

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.