Acountertop is in the shape of a trapezoid. the lengths of the bases are 70.5 and 65.5 inches long. the area of the countertop is 1224 square inches. write and solve and equation to find the height of the countertop.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.