What slope passes through (3,4) and (7,12)

What are the exclude value of mn+3m

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

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?