A building has 23 floors of offices above ground and 5 floors below ground,
Nathan parks on the 2nd floor below
ground and has an office on the 18th
floor. The ground floor is floor zero,
Which absolute value expression
represents how many floors he must go
up to get from his car to his office?
a. -51 +1 231
b.|-2| + |18|
c. |-5| + |18|
d.|-2| + 231

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.