It’s biased because he is asking people who left a country concert and usually people who go to concerts go because it’s the type of music that they like, so the chances of someone saying they like a different kind of music probably won’t happen.
Answer:1. 7 2. 
Step-by-step explanation:
1.
= 7
2.
( doesn't have any simplest radical form)
A, divide 2.5 by 5 and you get 0.5, multiply that by 9 and you get 4.5. A is the answer
Each ticket sold yields 9$ of profit