Answer:
B. m
Step-by-step explanation:

A. +27
B. +4
C.+21
A. -16
B. 23
C. 3
D. -70
E. -20
{(3,0),(6,1),(9,2)} because
when you plug in the values you get
3-3=3(0) = 0=0
6-3=3(1) = 3=3
9-3=3(2) = 6=6
Answer: -2.5f-22
Step-by-step explanation:
you add like terms