Multiple Choice%0D%0AThe given expression represents the area. Find the side length of the square.%0D%0A%0D%0A%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0A8r – 8%0D%0A8 r – 8%0D%0A%0D%0A8r – 9%0D%0A8 r – 9%0D%0A%0D%0A8r + 9%0D%0A8 r + 9%0D%0A%0D%0A9r – 8

The correct answer is 8r - 8.