Answer:
c
Step-by-step explanation:
9. -7/12
10. -2.75
11. 1.844
12. 4.539
Now, let's do the same as we did for the previous one here.

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3. and so on. And you can just expand it from there.
305 plus 90= 395. Found by doing 395-90
Answer:
the answer is in fact 7/2