Justify why 3radicalx^4y^7 over 4 radical x^5y^3 is equivalent to X 1/12 Y 19/12

Factor a^3 - 3 + 3a^2 - a. a) (a - 1)(a + 1)(a + 3) b) (a^2 + 1)(a - 3) c) (a^2 - 3)(a + 1

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles