Which pair of complex numbers has a real-number product?
(1 + 3)(61)
(1 + 3) (2-3)
(1 + 3) (1 - 31)
(1 + 3)(31)

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.

Plz me so yeah i rly don't get this

What is 5/12 written as a product of a whole number and a unit fraction