Afield hockey field is rectangular it's width is 54.88 meters and its length is 91.46 meters find the perimeter of the field

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.