HELP NEEDED ASAP WILL GIVE BRAINLIEST

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

Aline passes through 3,7 and 6,9 what equation represents the line

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account