Find each measurement. Give your answers in terms of pi.
(just #2 and #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?

Find the area of a parallelogram with base 15 yards and height 21 2/3

Can someone me with these two circle theorem questions asap?