Which two triangles are congruent

What is not true about kl and mn? what is mn? (show )

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)