What is the probability of flipping two fair coins and having both show tails

Classify each polynomial by its degree and by its number of 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

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?