Explain why the diagram shows that 6 (3 + 4) = 6*3 + 6*4

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.

5x−4≥12 or 12x+5≤−4 can you with this problem

See attachment below and find the equivalent of tan(∠qsr)