The first one is right because the mean is the average so it has to be in between. Usually. Hoped this helped!
Answer:
range = maximum value - minimum value
Step-by-step explanation:
so here..the maximum value is 20 and the minimum value is 7
20-7 is 13=range
6400 meters_>3500 + 230t
It's greater than or equal to because the minimum is 6400 so the altitude can be higher and the pilot is gaining 230 meters per minute which is 230t and he started at 3500