Answer:
20 - 6c
Step-by-step explanation:
because that shows that 6c is the cost of them and you'd take the cost of them away from how much he payed i guess
Answer:
15
Step-by-step explanation:
The formula for factoring a sum of cubes is:

We have a=3f and b=5g here.
So a*b in this case is 3f*5g=15fg.
The ? is 15.
Answer:
Only option A. cannot be simplified; is in its simplest form.
Step-by-step explanation:
In order for A. to have a simplified form, it must have a specified degree or leading term, which it does not have, making it impossible to simplify.
The answer is C because if you look at it carefully C,D, and G are all helping connect the side of the rectangle. Hope it helped!