If server a works the following hours from sunday to saturday, 0, 4, 5, 3, 4, 6, 8, and server b works the following hours, 8, 4, 7, 5, 6, 0, 8, then server b works hours more per week than server a. 6 7 8 9

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.