An airplane is flying at an elevation of 5,600 feet and descends to 3,200 feet. How far did the plane descend?

Find the difference (8ab+a+2) - (3ab+6)

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Use the distance formula to find the distance between (-3,5) and (3,1)