Jared is a boxer. he can box in the heavyweight class if his mass is at least 100kg by the end of the month. write an inequality that is true only for masses (m) at which jared can box in the heavyweight class.

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?