Complete the puzzle by filling in words from your answer on the given hints below

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?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

4+(2+x) can you me solve this problem