Please answer i need a good grade

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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

The reflexive property of congruence lets you say that ∠pqr ≅