Which system of linear inequalities has the point (2,1) in its solution set? y< -x+3 y< 1/2x+3 y< -1/2x+3 y< 1/2x y< -x+3 v< 1/2x+2 y< 1/2x y< -1/2x+2

How many days was the temperature above 90 degrees?

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?

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site