Question

Mario starts with a piece of construction paper that is 10 inches by 12 inches. He then cuts out a square piece from each corner of the construction paper. If each of the square pieces are 3 inches on an edge, which expression represents the area of the paper left over?
A. (10 × 12) + (4 × 3^2)

B. (10 × 12) - (4 × 3^2)

C .(10 × 12) - 3^2

D. (10 × 12) - (4 × 3)

Answer 1

Answer:

I am not sure

but I think answer is (B)