The graph for the systems of liner equationsy=1/2x+2and y=x-1 is as shown below a. (6,5)
b. (-4,0)
c.(6,4)
d.(5,6)

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