Figure one in figure 2 are similar quadrilaterals which proportion must be true?

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

What’s the domain of this function? fastttt

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?