I dont know how to do this please help me

Graph the linear function using the slooe and y intercept

If np3 /nc2 = 6, find the value of n

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?