Answer:
A= X,B
B= L,G
C= M,W
The total number of combinations is 12
It would have to be letter D my guy, if you know what centuries and decades are this is easy
Simplified answer would be 60k^2+k
and you get that answer by combining like terms, Good Luck!
Answer:

Step-by-step explanation:
Given
-- number of rolls
Required
The mean of 2's
The distribution follows binomial distribution where:

In this case:
---- the theoretical probability of rolling 2
So, the mean of 2's is calculated using:



Simplify
or
