Answer :
the rescue craft's cruising altitude is 156 meters above sea level.
To find the rescue craft's cruising altitude, we need to add the change in altitude to the initial altitude. The change in altitude is 117.2 meters, but we need to be careful about the sign of this value. Since the rescue craft is increasing its altitude, the change in altitude should be positive. The initial altitude is given as -38.8 meters, but we can convert this to a positive value by multiplying by -1:
Initial altitude = -38.8 m x (-1) = 38.8 m
Now we can add the change in altitude to the initial altitude to get the cruising altitude:
Cruising altitude = Initial altitude + Change in altitude
Cruising altitude = 38.8 m + 117.2 m
Cruising altitude = 156 m
Therefore, the rescue craft's cruising altitude is 156 meters above sea level.
To know more about altitude, visit: https://brainly.com/question/6753702
