The top base of a trapezoid is 18 inches shorter than the bottom base. The top base is 108 inches long. Let b represent the length of the bottom base. Which equation models the problem?

and don't forget is this problem a adding or subtraction

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?