Answers for questions 24 and 25 explain

Whats the name of the vertical axis

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?