Your answer would be A because gross pay= 8.50$ times the number of hours you work.
The coordinates that you record is an example of data from the graph I think
2 over 3 plus 5 equals 5 and 2 over 3
35+5(4-s)=2550
35+20-5s=2550
55-5s=2550
-55 -55
-5s = 2495
s = - 499
-499 + a = 4
+499 +499
a = 503