Whats the common difference between 34,31,28,25

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.

How do you write y-10=2 (x-8) in standard form

Proving the congruent supplements theorem