Evaluate the algebraic expression.
2x x²+y², x=3, y=-4

Restrictions on f(x) = 1/x+5 and g(x) = x-2

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 solution to the division problem below x3+x2-11x+4/x+4