Ociel has designed a square mural that measures 10 feet on each side. Bill has also designed a square mural, but his measures y feet shorter on each side. How much smaller than ociel's mural is Bill's mural?

The correct answer for this question is this one: " (10-y) ^2". Ociel has designed a square mural that measures 10 feet on each side. Bill has also designed a square mural, but his measures y feet shorter on each side.

Area of Ociel's mural = 10 * 10 = 100 ft^2

Area of Bill's mural = (10-y) ^2