Answer:
Question 2 should be an empty arrow starting from 3.
The rest of the answers are correct :)
Explanation:
Since it is already at 3 inches, its depth will increase from 3 inches so the arrow should be facing the right. It should be an empty arrow because the depth has to be more than 3 inches, not exactly 3 inches (if not that means it did not grow but remained at 3 inches).