Which relation is a function? a. (–25, 16), (0, 16), (–25, 18) b. (19, 11), (34, 12), (34, 10) c. (35, 31), (24, 15), (12, 0) d. (34, 30), (18, 17), (34, 15)

When y’all answer can y’all explain too !

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

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.