Each day that a library book is kept past its due date, $0.30 fee is changed at midnight. Which ordered pair is a viable solution if x represents the number of days that a library book is late and y represents the total fee?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?