Which is the right answer?

Add or subtract polynomial : –12qr? +13rq?

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.

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t