What is the perimeter of a rectangle with length 8 and width 5?
Correct: D
The formula for the perimeter of a rectangle is P = 2l + 2w, where l is the length and w is the width. Given l = 8 and w = 5, we can plug in the values: P = 2 * 8 + 2 * 5, P = 16 + 10, P = 26.