If a shape is split into triangles for a formula of s-2=t (s= sides t=triangles in shape) will it work for every shape?

What is a rational number between 9.5 and 9.7

What point is the projection of q on a) r b) s c) t

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.