Ajar contains 28 marbles. it has 10 red, 8 black and 10 green marbles. two marbles are drawn, the first is not returned before the second one is drawn. what is the probability that both marbles are green?

what golf ball

step-by-step explanation:

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°