Isporting good store is buying tennis balls. there are 24 cans in a box and three balls in each can. the expressions below can be used to find the number of tennis balls in n boxes. (3x24) x n how many tennis balls are in 12 boxes?

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.