One rate of an equivalent ratio is 9/n. Select two other rates, one that can be solved using equivalent fractions and the other that can be solved with unit rates.

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?

Im literally having a mental breakdown

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?