To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation?

2y = 10 \ x^ 2 64 - y^ 2 36 =1

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?