Help woth this please

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

Which number completes the inequality? 2/3 < _ < 7/9

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?