I am not sure, but the answer is probably option A. Graph A.
Answer:
S.D=46.04
Step-by-step explanation:
steps are in the picture.
If you have question about it you can ask.Thanks
Answer: 36 years
Step-by-step explanation:
Here, the current population of the animal is 1400,
And, the population of an endangered animal by 8% per year.
Also, Further suppose that when the population of this animal falls below 70, its extinction is inevitable.
Let after x years the population of animal falls below 70,
Therefore, 
⇒ 
⇒ 
⇒
⇒
⇒x>35.9279739462
Thus, after 36 years( Approx) the population of the animal will be fall towards 70.
Step-by-step explanation:
6,0,-4,-12 this is the one that makes the most sense