A plane is flying at a speed of 150 miles per hour. The plane is flying at this speed for the next 160 miles, plus or minus 25 miles. Write an absolute value equation to find the minimum and maximum number of hours the plane will travel at that speed.

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?