What is the simplified expression? A. 3x4 + 9x3 + 24x2 + 24x
B. 3x4 + 13x3 + 44x2
C. 3x4 + 13x2 + 20x2 + 24x
D. 3x2 + 33x + 24

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle