Most insurance companies will replace a vehicle anytime and estimated repair exceeds 80% of it blue book value. Michelle's car has 6100 dollar in repairs after an accident. What can be concluded about its blue book

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?