Non proportional I think. Wait for someone else to answer
Answer: $879.29
Step-by-step explanation:
790(1.055)^2
790(1.113025)
= 879.28975
20: 1,2,4,5,10,20
28: 1,2,4,7,14,28
Answer:
C. 
Step-by-step explanation:
We want fg of x, so first we have to multiply f(x) times g(x).



We can cancel out an x from every term.

Let's rewind a little to get this into one of the answer choices.
is our answer.
Answer:
A) 2b+24x
Step-by-step explanation:
7b+3x-5b+21x
7b-5b+3x+21x
2b+3x+21x
2b+24x