I think the correct answer is c
(f-g)(x) = x²+6x - (7-x)
(f-g)(x) = x² + 6x - 7 + x
(f-g)(x) = x² + 7x - 7
(f-g)(9) = 9² + 7*9 - 7
(f-g)(9) = 81 + 63 - 7
(f-g)(9) = 137
Answer:

Step-by-step explanation:


Add:- 
and 
So, 
Add 7 to both sides:-

Divide both sides by 11:-


<u>OAmalOHopeO</u>
Answer:
120quarts because you have to add 40+40+40
Wait what's the question tho?
is it if this point is on the line?
cause it's not
-y=mx+b
3=-6(6)-3
-3=-36-3
-3 does not equal -39
hence, point is not on the line