Positional number system where the value of a digit is determined by its location

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

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)