Answer :

iGreen
Question #1:

Just divide the side lengths to find the scale factor.

8 / 2 = 4.

Therefore the scale factor from MNO to M'N'O' is 4.

Question #2:

Rotation rule for 180 degree clockwise turn: (-x, -y)

Therefore your new points will be:

(5, 2), (5, 4), and (4, 4)