The dimensions of a rectangle are given in terms of x as shown below. x-1/2 2x + 4 Molly finds the perimeter to be 2(2x +4)+2(x-1/2). Noah finds the perimeter to be 2(2x +4+x - 1/2). Clara finds the perimeter to be 4x+8+2x-1/2. Who correctly found an expression that represents the perimeter of the rectangle? A.Molly and Clara B.Noah and Clara C.Molly and Noah D.Molly, Noah, and Clara