I believe the answer is 3
Direct.
Direct is when one part of data goes up, so does the other.
Inverse is when one goes up, the other goes down.
The table shows that as x goes up, so does y.
Hope this helps!
Answer:
The ratio would be 1:2 my guy,if you're trying to triple the size, 1:3 if your trying to quadruple the size, it'd be 1:4, etc, etc
1. Below
2. Above
3. Sea Level