Círculo área y perímetro

me podrían ayudar no soy para nada buena con esto
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Which equation requires the division property of equality to be solved?

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )