contestada

n airplane, flying at an altitude of 15,000 feet above sea level, flies directly above a submarine that is traveling at a depth of 1,250 feet below sea level. What is the distance between the airplane and the submarine?

Respuesta :

This isn't really history but-
to do this:
1. Add 15,000 and 1,250 together
2. The answer is 16,250 feet