A council of three people is to be chosen from a group of 4 lawyers, one artist, and 3 teachers
What is the probability to have at least one teacher in the council?
a) .125
b).875
c).3333
d).756

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.