Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x^2+1 inches. She plans to make a similar pillow, including the ribbon, whose side length is 4x-7 inches. What
expression can be used for the length of ribbon that she needs for both pillows, and what is the length if x = 3.5?
A) 2x^2+4x-6; 22.0 inches
B) 2x^2+4x-6; 32.5 inches
C) 4(2x^2+4x-6;) 88.0 inches
D) 4(2x^2+4x-6;) 130.0 inches