A12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. what is the outer perimeter of the no slip surface

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches, and a length of 3.2 inches?