Answer:
I forgot the answer but hey I go free points!
Step-by-step explanation:
Answer:

General Formulas and Concepts:
Order of Operations: BPEMDAS
Midpoint Formula: 
Step-by-step explanation:
<u>Step 1: Define points</u>
J (4, 6)
K (0, -4)
<u>Step 2: Find midpoint</u>
- Substitute:

- Add/Subtract:

- Divide:

that is not possible cause the first 2 indicate that the pattern is counting by 2s
The is answer is 324. The previous number is multiplied by -3.
D because the submarine started at sea level and ended 400 meters BELOW sea level.