What percent of cupcake sales were more than 3 cupcakes, but less than 7 cupcakes?

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

I'm confused on this could anyone me and show me what i need to do to solve it.

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?