Coordinate ?

point p is plotted on the coordinate grid. if point s is 12 units to the left of point p, what are the coordinates of point s?

1) (6, −16)
2) (−6, −16)
3) (−6, −4)
4) (6, 4)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?