Solve the equation. check for extraneous answers 2|7 -7x| = 2x + 4 question 13 options: a. x = 5/8 b. x = 3/2 or x = 5/8 c. x = 3/2 or x = 5/6 d. x = 3/2

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.