PLEASE HELP I WILL HAVE TO DO MATH AGAIN IF I DONT GET THIS RIGHT PLEASE HELP

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

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.