The cost of having your car towed is 45 to hook up the carand then 3.50 per mile towed. which equation models your total cost? a. y=40x+3.50 b. y=3.50x+45 c. y=48.50x d. x+y=48.50 important

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