One has 21 and other has 12
The equation of any line is:

m is slope.
We just need to put inside of equation x=(-3) and y=5:


It follows that equation of a line is:
Answer:
105
160
150
Step-by-step explanation:
This is just simple subtraction.
180-75=105
180-20=160
180-30=150
Answer:
120
Step-by-step explanation:
Answer:
A
Step-by-step explanation: