Which equation represents the curve shown? 2(x + 2) = (y + 3)2 2(y + 2) = (x + 3)2 –2(y + 2) = (x + 3)2 –2(x + 2) = (y + 3)2

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?