Solve the equation
5(-4a+8)-5(6a-5)=15

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?

15 point ! ~ see if you know the answer to both you!

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"