First, convert the 7 lbs. to ounces by multiplying 7 by 16. You do this because 1 pound equals 16 ounces. You get 112 ounces. Then subtract the hand's weight (74 oz.) from the piglet's weight (112 oz.). You get 38 ounces which is your answer.
The true statements are (D) and (E). This is a square with sides equal to 5 units so that means that its perimeter is 4×(5 units) or 20 units and its area is (5 units)×(5 units) or 25 units^2.
