Question

A PIZZA 18" D COST $9.00 FIND PRICE PER SQ IN.

Answer 1

9.00/PI*(81)

Answer 2

A = pi * r^2

A = 3.14 * 9^2
A = 254.34 square inches

Price per sq. in. = 9/254.34

Answer 3

2 different answers didn't understand