A random supporter roots the home team with probability 0.9, and the away team with probability 0.1.
Choosing 6 out of 8 supporters who root for the home team has probability

Answer: square root 50 that does not belong
Step-by-step explanation:
I don’t think you wrote it correct but anyway I think the answer to your question is statement number 1
12f=m
It can also be m/12=f, but since it is asking for inches to feet the first one is better
The expressions is undefined in the set of the real numbers.