Answer:
d
Step-by-step explanation:
you can solve this by first setting x to 0, then you get 9y=72, so y=8. Now you know (0,8) is part of the solution.
likewise, set y to 0 and solve 8x=72 to be x=9, so (9,0) is a solution.
Graph d has a line through these points, hence is the answer.
