Sydney is cutting the crust from the edges of her sandwich. The dimensions, in centimeters, of the sandwich is shown. A rectangle labeled sandwich. The right side is labeled 2 x squared 9. The bottom side is labeled 2 x squared 8. Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust? 8x2 34; 43.6 centimeters 8x2 34; 45.52 centimeters 4x2 17; 21.8 centimeters 4x2 17; 22.76 centimeters