They need to use four guy wires on each side of the screen, and one on each side of the back screen. Each guy wire should be 2 feet longer than nessasary so it can be clamped at each end. How much guy wire do they need?

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.