I need help plz and thanks I’ll give brainliest if you answer right

One integer is 8 times another. if the product is 72, then find the integers

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?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps