PLEASE HELP!! The numerator of the rational expression represents the

a. amount William is paid for his hours of labor over 40

b. amount William is paid for all hours worked

c. amount William is paid for his first 40 hours of labor

William is paid for each hour in excess of 40 hours is

a. $12/h

b. $16/h

c. $24/h

When William works 50 hours in a week he earns

a. $240

b. $480

c. $720