I think you would subtract 26 by 13 = 18
Then You would divide it by two sorry if wrong
Use a linear approximation to
centered at
:

Then

which makes C the most likely choice.
Answer:
48.75 shots are made (just round according to the instructions your teacher gave you)
Step-by-step explanation:
In the attached picture I provided two different ways to solving the problem, but if these do not click with you, I am sure you can find other ways of solving that work better for you :)
(m^4 + m^3 + 4) + (-5m^4 + 4m + 1) =
m^4 + (-5m^4) + m^3 + 4m + 4 + 1 =
-4m^4 + m^3 + 4m + 5
The answer is B