Ruben gets $9 allowance each week. He wants to save 4% of this. How much money will he save each week?

How do you determine if an ordered pair is a solution to a given equation?

What is the difference between a linear interval and a nonlinear interval?

The polynomial 2x3 + 9x2 + 4x - 15 represents the volume in cubic feet of a rectangular holding tank at a fish hatchery. the depth of the tank is (x – 1) feet. the length is 13 feet.