How to use the properties to find the sum 93 + (68 + 7)

Which of the following are parts of a sphere

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?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.