2 - 3х + 5y +11+у? + 4х +9

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?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2