△mno and △pqr are similar. the ratio of a side of △pqr to a corresponding side of △mno is 4 : 3. if mn = 12 in., no = 18 in., mo = 24 in., find the perimeter of △pqr

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?