Find the slope between the two points (12,6) and (20,22)

What is the measure of angle x? answer

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?