Could someone plz quickly help asap

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

The function f(x) is shown in this graph the function g(x)=6x

3. simplify. 312⋅312 4. rewrite n√xm using a rational expression.