Wilson hiked 9 miles in 2 hours. At this same rate, what is the total number of miles Wilson could hike in 12 hours?

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?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?