What adds to 22 and multiplies to 21?

Strawberries cause two hours per pound kate buys 5 pounds he gets 20% off discount on the total cost how much does kate pay for the strawberries

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square