State the coordinates of a point in the solution set

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !