Sierra says that she can simplify the right side of the inequality shown by combining the terms within the parentheses but that she can't do the same thing on the left side. Is Sierra correct?
Explain.
4(y + 2) +42 -2(4 +9) - 9

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 greater volume 72 quarts or 23 gallons

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.