Se pagaron al contado 9900 por 8 cajas de vino de 12 botellas cada una habiéndonos descontado el 12% cual fue el precio inicial de cada botella?

Which value is not a solution of 8x^3 – 1 = 0

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2