Answer:
Choice D
Step-by-step explanation:
If you check each one plugging in your info into this you can get
that 12² + 16² will equal 400 which is the same as 20².
We know that they have:
2 entrences
3 ways to chose (escalator,elevator and stairs)
8 gates
and again 3 ways to chose (escalator, elevator and stairway)
now you have to multiply it:

There are 144 different ways that Anita and Terry can go from street level to the trains:)
Answer: mean- 38
median- 37
mode- no mode
range- 30
Step-by-step explanation: