See photo for solution and mark me as brainliest if you think i helped!
Monomial is one term, like #2 would be a monomial. binomial is two terms, like 3x - 2. trinomial is three terms, like #1,3,4. polynomial is four terms, like #5. standard form is just rewriting the equation in order from the term with the highest exponent to the lowest
Answer: 37.69911 in. (Round if necessary)
Steps:
2πr
2·π·6 = 37.69911