It would be D. 5/20 because the other 2 you would add then subtract and then you would just put the answer yo get from subtracting it over 20.
Answer:
(f - g)(x)= - 6 {x}^{2} - 8x + 9
(f - g)(-4!)= - 55
Step-by-step explanation:

B it’s b I think I did same one
Answer:
Step-by-step explanation:
So you should know. Can you give us a better picture?