For this case we have the following expression:

By definition, a coefficient is the term that accompanies one or more variables.
For example:

The coefficient of the linear term is 3.
So, in the given expression we have to:
-4 is the term that accompanies the variables xy.
Answer:
-4
It c) because it 56 out of 100
Answer: you minus the equations you have to get the equation that you want so it all can add up to that *
Step-by-step explanation:
C because if you divide 3/12 you get .25 but 4/18 is .22, which is the better deal
(I'm not totally sure but there may be someone else with a more accurate/correct answer.)
Here is what I got (Red represents my work, blue represents to follow which steps and highlighter represents what the answer is):