Option 2.)
(Please correct me if I'm wrong)
Answer:
8a. 0 8b. -1/3
Step-by-step explanation:
slope formula: 
8a. => (8 + 12)/(17 - 17) = 20/0 = 0
8b. (1 + 2)/(-3 - 6) = 3/-9 = - 1/3
Hey there!
Median number :-
Given numbers are
2,1,3,5,3,1,4
Arranging in ascending order,
1,1,2,3,3,4,5
Median = 3
Hope this helps :)
yo i dont know the answer but i hope you have a good day