50 POINTS PLEASE HELP

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?

Select all of the following expressions that are equal to 2.5.

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32