Jade and Fred sit on opposite ends of a 16-foot seesaw. Jade weighs 45 pounds and Fred weighs 50 pounds. Where would Cynthia have to sit to balance the
seesaw if she weighs 30 pounds? (The fulcrum is at the center.)

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?