Answer:
116
Step-by-step explanation:
The answer is a because you divide 135÷9=15 and 102÷6=17 . 17-15=2
Part A: To solve graphically we have to graph first by plotting the y-int which is -9 & -1. Than use the slops 7/1 & 3/1
part B: (2,5)
I am not sure but i think is a