When we find the perimeter of a shape, how many dimensions are we measuring?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Find the difference (8ab+a+2) - (3ab+6)