Which relationship has a zero slope?
3

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

How many ordered pairs of positive integers satisfy xy=32?

Can anyone explain to me how to do this? anything will .