Original Amount = 1,250 Amount of Change = 618

Percent Increase =
Amount of Change
Original Amount

The percent change is about
.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

An incoming airplane is x miles due north from the control tower at an airport. a second incoming airplane is y miles due east of the same control tower. the shortest distance between the two airplanes is z miles. which of the following functions would best model the situation above?

An expression for the average of x 2x and 3y