Answer:
2a. Scale factor is 2
2b. Scale factor is 3
Explanation:
2a.
We see that the smaller figure to get from F' to G', it is 2 squares, and we see the larger figure to get from F to G, it is four squares, so the scale factor is 2.
2b.
We see that to get from A' to C', it is 2 squares, and we see the larger figure to get From A to C, it is 6 squares, so the scale factor is 3