5x -3 > 15x-11/2 find the value of x​

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 last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)