In order.
You have to be able to see if its on the left or right side of the midpoint
Only B and C would be the best choice
the answer is 5,000 hours.
I recommend you post these kind of questions in the mathematics section
Answer: you weren't very specific but one type of format is APA, many professors enjoy the use of APA
Explanation:
if my answer was incorrect, please specify what you are asking.