(8r 2−7r−9)+(−r 2 +r)
Your answer should be an expanded polynomial in standard form

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

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