Coordinates
A=(-2,1)
B=(-3,4)
C=(-6,3)
Its not your fault
Yes
Set the total cost toy, the number of books is x.
So, y= 200+2x
so cost is a dunction of the number of books
Hope this helps you!!!!! :D
I worked this out, and the answer is B.) 14x+6
Hope it helped! :3
We can know from the pic
2x+38=90
so, x=26