Math 6

Question Analysis
This question tests the application of adding a positive integer to a negative integer in a real-world context.

Key Concept Explanation
Ascending means moving upwards, which is equivalent to adding a positive number to the current depth.
The formula for the final position is -a + b, where a is the descent and b is the ascent.

Step-by-step Solution
1. Identify the initial depth: -100 meters below sea level.
2. Identify the change in depth: Ascending 30 meters, which...