Answer:
A. 
Step-by-step explanation:
We want to find an expression that is equivalent to 
This expression can be rewritten as:

This expression is also the same as:

Form the given option, the only correct expression is
A. 
Option B is not correct because:

C is also not equivalent because:

D is not equivalent because:

The first or third graph represents the situation
After 25 days he would expect to have , i would say 88 packs left
I cant make out the bottom figure below third graph
I believe it's y'(0)=-3
I was only able to simplify the equation.
Hope this helps
mhorn seems to be correct
Step-by-step explanation:
yshahaa