Please help due todayyy

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Find the solutions for a triangle with a =16, c =12, and b = 63º

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