i can't comment so someone else is going to have to answer
but they need the whole page to answer this question.
2|3x + 5| = -10 . Divide both sides by 2:
|3x + 5| = -5 ===>3x+5=-5 & -3x-5=-5 In both cases x=0
There would be
"five ways" to bring three DVD's. If you divide fifteen by three there would be five.

To prove your work:

Hope this helps!
The rate of change of the balance was $175 per deposit which is C