The bank offers free checking if your account has a balance of at least $500. Suppose you have $523.15 and you write a check for $51.96. How much must you deposit to avoid being charged a service fee?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Find the slope of the line passing through a pair of points

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.