Answer:
i didnt check my answer so something could be wrong. just let me know
Step-by-step explanation:
9. slope is 5/100 or .05
50=100*.05+b
50=5+b
45=b
y intercept is 45
10. slope is
36/20 or 1.8
-8.4=3*1.8+b
-8.4=5.4+b
-13.8 =b
y intercept is -13.8
