The base ticket price for a football game is modeled by the function p(x) = 15x + 10, where x is the years since the team started playing football. not included in each base ticket price is a service charge modeled by the function c(x) = 5x + 2. to find the total cost of a ticket, a fan should use what operation on the polynomials?
addition
subtraction
multiplication
it cannot be determined

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.