True or false? the value of a definite integral can be negative.

What is the standard form of -5x^2+2x^4-11+x^3+3x

What are “like terms”? why can we only add like terms?

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