What is the perimeter of the polygon in the diagram? A 2sqrt(a-b)^2
B. 4(a+b)^2
C. 2(a^2 +8²)
D. 4sqrta^2+b^2)

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.