Dear Emacathy,

Can you please show me the answer I copy in math ?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Using elimination, what is -4x+2y=-12 4x+8y=-24