Which of the following expressions results in 0 when evaluated at x = 4? a. (x + 6)(x - 2) b. 4x(x - 6) c. (x - 10)(x - 4) d. (x + 4)(x - 10)

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.