Find the area of the regular polygon.

Since the polygon is a square, the diagonal is times the side of the square. The diagonal is 14 yards, so the side of the square is 7 yards. Since the area of a square is it's side squared, the area is (7, which is 98 square yards.

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce