Which expression is equivalent ((3m ^ - 1 * n^ 2) ^ 4)/((2m ^ - 2 * n) ^ 3) Assume m not equal to 0; n not equal to 0
2m ^ 2 * n ^ 5
(81m ^ 2 * n ^ 5)/8
2m ^ 2 * n ^ 2
(81m ^ 2 * n ^ 2)/8

Th perimeter of a rectangular garden is 150 feet. the length is 50 feet longer than the width, w. which equation could be used to calculate the width of the garden? a.) 2w+ 2(w-50) =150 b.) 2w+50 + 2w =150 c.) 2(w+50) + w =150 d.) 2w+ 2(w + 50) = 150 need asap. will give brainliest !