In a rectangle, the perimeter is 102 inches. the width of the rectangle is 9 inch more than half the length. what are the length and width of the rectangle?

Ascuba diver was 80 feet below sea level and swam up at a rate of 4 feet per minute. the two solutions show how long it took the scuba diver to reach an elevation of 20 feet below sea level. lydia and max used the methods shown below to find the time it took the diver to reach the new elevation.

Ineed in figuring out this problem.

The tile along the edge of a triangular community pool needs to be replaced? ?