Help pls is due at 11:59 I don’t have much time

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 do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

If the scale factor between two circles is 2x/5y what is the ratio of their areas?