What’s the answer of this question?

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

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