Aclothing store paid an import tax of $32 on a shipment of $800 worth of silk scarves. the import tax rate is always the same. what would be the value of silk scarves that have an import tax of $120

Find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in the plane x + 2y + 3z = 15.

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.