Jill bought oranges and bananas. she bought 12 pieces of fruit and spent 5$ oranges cost $0.50 each and bananas cost $0.25 each. write a system of equations to model the problem then solve the system

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Which of the following expressions is equal to 2x^2+8

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