Adding and Subtracting Polynomials Answers

Adding which terms to 3x2y would result in a monomial? Check all that apply.3xy–12x2y2x2y27xy2–10x24x2y3x3

associative propertyclosure propertycommutative property

[___]x2y3 + [___]xy2 + [___]y

x + 20x – 1803x + 203x – 180

The total amount of fencing they need can be written as [___]x + 10.