A box with a square base and no top is to be made from a square piece of carboard by cutting 2 in. squares from each corner and folding up the sides. The box is to hold 8712 in?. How big a piece of cardboard is needed? Your answer is: in. by in.

Shankar has a 75-acre field that is 1,580 feet wide. He planted it in dark fire-cured tobacco. The plants are set 24 inches apart in rows 42 inches apart. He used trays that contained 288 plants each. a. How many rows are in the field? b. How many feet are in a row? c. How many plants are in a row? d. How many trays of plants were used?

A floor plan for a kitchen remodel shows a rectangular kitchen island countertop with a length of 9.75 inches and a width of 5 inches. If the actual length of the countertop is 78 inches, what is the actual width?

A tank that is 5 feet deep, with a square bottom with sides 4 feet each, has 2 feet of water that weighs 62.3 lb/ft3 in it.   How much work (in ft-lbs) will it take to pump the water pump the water up and out of the tank? Note: Enter your answer without the use of commas. Round to the nearest integer.