List all sets to which the number -3/4 belongs

What could explain what happened when the time was equal to 120 minutes

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?

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept