Answer:
its i think the first one and the last one
Step-by-step explanation:
sorry if its wrong but i think it is right
Answer: 9w+9
Step-by-step explanation:
First combine like terms: 6w+3w
You can't combine 9 and 9w so that would be your answer.
Then if it calls for it, use the commutitive property to move 9w before 9.
Hope this helps!