Answer all of these questions correctly will give brainliest. DUMB ANSWERS ARE GOING TO BE REMOVED AND REPORTED. also please show work, or else, im not giving brainliest.

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

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

Does the point (1, sqrt 7) lie on circle shown.