Answer:
-1 is the answer
Step-by-step explanation:
Answer:

Step-by-step explanation:
The greatest common factor of 18 and 27 is 9.
9*2=18
9*3=27
Both numbers share
and
, while
,
, and
will be left over.
The answer is b, as when you substitute the coordinate in the equation, it works.
-6+6=-4(2+2)
0=8-8
0=0