Can someone please answer this like a real answer please! I’ll make brainliest for real

Will mark brainliest question in the pic.

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?

What is the measure of the smallest angle in the diagram? 15 29 32 45