Answer:
1) B? (I think that is meant to be an exponet. if it is, you would write it as x^2)
2) I do not know
3) A (it would actually be 10x^2, but 10x is the closest to it
4) A makes the most sense
5) A
6/7/8) I do not know, sorry
9) A makes the most sense
10-15) I am sorry, I cannot solve it
Step-by-step explanation:
I am sorry you have to go through this in 7th grade