Solve the following for :
60/3=x/4

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 numbers have a sum of -19. one number is x. what expression represents the other number?

What is the value of x in the equation7x+2y=48 when y=3