Help please I would appreciate it thank u​

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?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area