Rectangle abcd is the image of rectangle abcd after a dilation. what is the scale factor of the dilation? enter your answer in the box rectangle 1 is a -5, -2 b -8, -2 c-8, -5 d -5, -5 rectangle 2 is a-2.5,-1 b -4,-1 c-4, -2.5 d-2.5, 2.5