Which of the following is true statement?

Someone me what is the area of this figure? 18m 18m 8m 16m

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

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?