The ratio of the number of blue buttons to the number of green buttons in a container is 2: 5. There are 210 more green buttons than blue buttons. How many blue buttons are there in the container? #Please help me​

Which function is shown in the graph below?

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

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