One exterior angle of a regular pentagon measures

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?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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