Pie graph because sometimes they don't have numbers, and when they do, they are not very precise, but they give a good visualization.
Answer:
None
Step-by-step explanation:
The solution to a system of equations given graphically is at the point of intersection of the 2 lines.
In this case the lines are parallel and never intersect.
Thus the system has no solution.
8,3 and 5 would be my guess
