140 is what precent less than 160?

Which is the completely factored from of xy^3-x^3y

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

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