Free pts for y'all k?

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?

Which inequality has a dashed boundary line when graphed ?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers