If you’re good at math pls help me!

Rewrite the following without an exponent. (5/8)-1

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 · 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 · 2 = 12 7 - 4 = 11 or 6 + 3 = 9