Answer:
A) 11m
B) 36 + 9y
C) 8b
D) 3c - 12
E) 40 - 5x
F) 60 - 6z
G) 3 + n/3
H) 2a + 2b
I) 72 - 12c
J) 5y
It should all be correct. If not, let me know, and I'll go over it again :)