Why must you know how to square numbers and find square roots to use the Pythagorean Theorem?​

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 can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)