Answer:
h = 514 meters
Explanation:
If the helicopter descends 107 meters to then be 407 meters above the ground, then it was originally 107 meters above 407 meters.
h-107=407
add 107 to both sides
h = 107+407
h = 514
Its 514 because 107+407 is 514
5.1m questions
6.7m answers