Tanya earns $13.50 per hour at her part-time job. When she works z hours, she earns 
dollars. Which of the following expressions gives the amount, in dollars, Tanya will earn if she works 
hours?
Tanya earns $13.50 per hour at her part-time job. When she works z hours, she earns dollars. Which of the following expressions gives the amount, in dollars, Tanya will earn if she works hours?