There would have to be one non club member, and 2 club members who bought the tickets.
Answer:

Explanation:
In the first example the division results in a radical, not a polynomial.
The remaining examples are not counter-examples (they do result in a polynomial)
Slope is 1/2. The equation to solve it is y2-y1 / x2-x1. I hope you understand it now :)
Answer:
a/c=2/7 u are welcome thanks for ur help