Answer:
The answer is A, -415 meters.
Step-by-step explanation:
All right, so the key words we need here are -300, descends, and 115.
Descends means go lower, or in this case, subtract.
We are already at -300 and we descend 115, so we are going to subtract.
Subtracting a number is the same as adding the negative of that number.
-300 + -115 = -415
The answer is A, -415 meters.
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