Assuming that the 120 faces have all numbers from 1 to 120 printed on them, we have a dice that can output all numbers between 1 and 120 with the same probability of 1/120.
So, the expected value is

Answer:
6.5
Step-by-step explanation:
you take the sides all added up (which was 13in) and divided it by two
I'n not sure what kind of math this is but i think those two skip count. X skip counts by 1, Y skip counts by 4? If I got this wrong, please delete this.
The first and 3rd are rational, the second is irrational
Answer:
B
Step-by-step explanation: