the figure below is composed of two semicircles and a quarter circle, namely, semicircle 1 with center B, semicircle 2 with center D, and quarter circle 3 with center D. Find the area and the perimeter of the shaded figure in terms of pi.

Which representation has a constant of variation of -2.5

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

Which of the following will form the composite function?