For a casino to be profitable, it must A. not pay out more than it takes in on a given day.
B. set games up so that the expected gain to the
casino is a positive dollar amount.
C. set games up so that the expected gain to the
casino is a negative dollar amount.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.