Acollege student charges a fee for typing term papers. he uses the formula below where n represents the number of pages and c represents the cost he charges.

c = 8 + 0.15n

which phrase best describes how he charges his customers?
select one:
$8.15 for each page
$0.08 plus $0.15 per page
$8 plus $0.15 per page
$0.15 for each page

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.