Simplify the following expression 4/1/4-5/2

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

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Fill in the table with whole numbers to make 430 in five different ways