Abag contains 3 red marbles,5 yellow marbles, and 4 blue marbles. one marble is chosen at random. what is the probability that the chosen marble will be blue? a.1/12 b.1/4 c.1/3 d.3/4

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.