Solve the equation by substitution (show work)
2.5x-3y=-13
3.25x-y=-14

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

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?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?