92 it changes pipe walls, it's use to detect monitors.
fsm is an acronym
The expression that represents the cost of y books is 12y + 3.
Given that,
- The charge for the first copy of the book is $15.
- For each extra copy, the charge is $12.
- Here we assume the number of books be y.
Now based on the above information, the expression should be
= 12y + (15 - 12)
= 12y + 3
Therefore we can conclude that option F is correct.
Learn more: brainly.com/question/13910351
Great, because y=2x+5 is 3xy kay.
So you convert the fraction into a decimal then multiply it by 100 so the percentage would be 180%