Will give brainliest

Find the value of y.
1
960
y = [? 10

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

Im literally having a mental breakdown

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6