Answer:
2
Step-by-step explanation:
8 - 20 = -12
-2 - 4 = -6
-12/-6 = 2
Doubling every 3 years, meaning 200% every 3 years.


The answer is 24 years.
Hope this helps. - M
1: slope = 2/1 or 2
2: slope = 5/-5
3: slope = 3/2
4: slope = 7/-4
5: slope = 3/5
6: slope = 2/-8
7: slope = 6/2 or 3
8: slope = 2/-4
9: slope = 1/6
Answer:
the first one , its a straight line and has no arrow