If the side of a polygon is 5cm. what is the perimeter of an octagonal shape figure? answer this quick because i need it quick and this contains 20 points

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

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

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180