Simplify the expression 9xy^2 - 11xy^2

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  -2xy^2

Step-by-step explanation:

The distributive property can help you do this.

  9xy^ -11xy^2 = (9 -11)xy^2 = -2xy^2

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .