First, find the slope for the table.
210/3 = 70
280/4 = 70
350/5 = 70
420/6 = 70
Then, do the same thing for the graph.
110/2 = 55
220/4 = 55
330/6 = 55
440/8 = 55
If x = 11 on both the table and the graph,
70×11 = 770
55×11 = 605
Now find the difference.
770-605 = 165
The answer is B. 165.