Can you help me put them from greatest to least

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

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]