Answer:
a.
b.
Step-by-step explanation:
The shaded area is the area of the square minus the area of the circle, so it is , because s is the diameter of the circle. Filling in s = 10 gives us that the shaded area equals .
The store sold 2,210 footballs.
[(2x³y⁴)² × 2x]½
(2x³y⁴)½ ×(2x)½
2x³y⁴(2x)½