Quadrilateral ABCD is inscribed in circle O as shown below Which of the following would be used to find the m∠3?

A 90°+m∠4

B 180°−m∠1

C 270°+m∠2

D 360°−(m∠1+m∠2)

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?