M - 7 = 13 Which property did you use?

What is the equation of the graph below? y=sec(x)-4

What expression is equivalent to 1/2(2+3x-6)

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