Awaiter earns 128 dollars for 6 hours of work. the total included 86 dollars in tips. how much does the waiter earn each hour? show work you : )

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

Would greatly appreciate these 3 answers

Asap! i need this done today and i really don’t understand it. some one ! will mark