Reynaldo Is making a model of a school building. the actual building is 28 feet tall and 128 feet long. if the model is 16 inches long, how tall should the model be?

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

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?

Can someone me do math because i am having a breakdown rn because i don’t get it