The length of a rectangle is 3 inches more than the width. the perimeter is 30 inches. find the length and width.

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Find the amplitude of a sinusoidal function that models this temperature variation