Which of the following best describes a catenary? • The mathematical representation of parabolas that occur in the real world.
O The curve formed by an idealized hanging chain or cable.
O The set of all points in a plane which are an equal distance away from a given point and a given line.
• The curve formed by the intersection of a plane and a cone, when the plane is at the same slant as the side of
the cone.

nounplural noun hyperbolas, plural noun hyperbolae/hʌɪˈpəːbəliː/ 1A symmetrical open curve formed by the intersection of a circular cone with a plane at a smaller angle with its axis than the side of the cone.

i think there was a typo. you wrote pat brings 3 quarts of ice-cream to the party. each serving of ice-cream is 1 6 quart. how many total servings of ice-cream does pat bring to the party? i think the bold is supposed to be 1/6. so 1 quart of ice cream = 6 servings. 6 * 3 = 18.