\begin{aligned} & 7x-3y = 20 & y=5x-4 \end{aligned} 7x−3y=20 y=5x−4 x=x=x, equals y=y=y, equals

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 quadratic function h(t)=-16.1t^2+150 choose the graph representation

Need asap. solve for the following inequality