How could expoleres become whealthy finding conlozning land

If you were writing a descriptive paragraph about your favorite food and used compound adjectives, what piece ofpunctuation could be effective for describing the food? semicolonhyphencolondash

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites