Which graphs show a proportional relationship?
graph 1
graph 2

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online