CATNUMATICAL Reason Quantitatively Rachel, Timothy, and Robyn each make the rectangular prism shown. If they stand all of their prisms together, side by
side, to make one large rectangular prism, what is the volume of the new prism?
How did the dimensions change?

HELP​

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.