Answer:
the answer is A.
Step-by-step explanation:
After multiplying the two fractions: 
You might also want to consider that it's negative because it's BELOW sea level. If you are going down, that wount mean that it is negative. So after mltiplying and turning the result into a proper fraction, you get A as your final answer.
Answer:
146 feet below the surface
Step-by-step explanation:

Answer:
12 1/6
It wants me to add more but there's nothing to add
Answer:
32
Step-by-step explanation: