During the summer, you work 30 hours per week at a gas station and earn $8.75 per hour. you also work as a landscaper for $11 per hour and can work as many hours as you want. you want to earn a total of $400 per week. how many hours must you work as a landscaper? and can you write the equation you used to 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.