Answer:
(2,4)
Step-by-step explanation:
The solution for the system is where the two lines intersect.
The two lines intersect at x = 2 and y =4
(2,4)
He donated 18 books per month. you first finds the difference of the books then do use the number of books by the number of months (in this case it was 5 months)
Other, because the other ones won’t fit and aren’t functions on the graph