You are picking up lumber at a lumber yard for a construction project. In addition to the ten (10) boards you already have, you purchase thirty-five (35) more and receive two (2) extras for customer loyalty. How many boards do you have after the purchase?

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?