Astatement and portions of the flowchart proof of the statement are shown
which reason should appear in the box labeled 1?
-substitution property of equality
-ruler postulate angle
-linear pair postulate
-angle congruence postulate

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?