You are told that of your 400 volunteers, 120 are under 30 years old, 180 are 30- 55 years old, and 100 are over 55 years old. Using this information, design a block design experiment:

Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)