An equation that describes a line that passes through (7, 1) and is perpendicular to the line described by y=-1/2x+3?

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?

Rename mixed numbers before you can subtract are what

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number