Answer:
5 * 9 --> 9 * 5
3 + (4+5) --> (3+4) + 5
3 + 4 --> 4 + 3
7 * (2*5) --> (7*2) * 5
Step-by-step explanation:
If you look at them correctly, you can see where this is going. This question of matching is using commutative property.
Your Welcome :)