One of two things:
-There is no solution because they are parallel lines
- OR There is infinite solutions because they are the same line.
Option c would be correct
The answer is -18. Hope this helps.
A cone because it is a circle when cut in half or anyway you cut it
The first one is $4 per bag, as given
For the he second one, you divide $15 by 4, you got $3,75 per bag
Therefore, the second one has the better unit price