Brett lives on the river 8 miles upstream from town. When the current is 2 miles per hour. he can row his boat downstream to town for supplies and back in 3 hours. What is his rowing speed in still water?​

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?