Suppose y varies directly as x, and y = 5.4 when x = 9. Find x when y = 24.

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?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width