Please choose answer choices a, b,c or d

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Let x = a + bi and y = c + di and z = f + gi. which statements are true?