*will mark brainiest*

1. what is the length of the side of the brick labeled a?
2. what is the length of the side of the brick labeled b?
3. what is the total height of the wall?
4. what is the total length of the wall?

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.