Drag the tiles to the correct boxes to complete the pairs. Match the equations of the lines with their graphs.
y = 2x + 3
y=-2x + 3
y=2x-3
y=-2x - 3
5
-5
-3
-2
-1
1
2
3
4
5
-1
-3

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?