What is the age of the new player?

What is the length of the unknown leg in the right triangle ?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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