Answer:
Below.
Step-by-step explanation:
Part A: 
Part B: Degree = 2, Classification = Quadratic
Part C: The polynomial is closed because it is multiplied. You CANNOT close under division.
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4 and a half ducks.
That's pretty much the answer.
Answer:
idk sorry
Step-by-step explanation:
So, and, but, but, or, nor, so. Im pretty sure this is correct.