Evaluate tan(17pi/12) using the half angle formula

Which of the following points is collinear with (-2,1) and (0,3)

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

Which of the following are accepted without proof in a logical system? check all that apply.