The circumferences of two circles are in the ratio of 2: 5. the radius of thesmaller circle is 16 in. what is the radius of the larger circle? • 32 in.• 40 in.• 80 in.• 160 in.

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?