First find the perimeter of the rectangle: 2w+2l which is 8+28=36. Then find the square root of 36 which is 6 so that is the answer.
Answer:
-180
Step-by-step explanation:
Substitute each number in and get 36(3) - 8(-6)^2
Simplify for -180
Answer:
256 i did it before
Step-by-step explanation: