Arectangle is placed around a semicircle as shown below. the width of the rectangle is
8
cm

. find the area of the shaded region.
use the value
3.14

for
π

, and do not round your answer. be sure to include

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