Help I've been stuck on this problem

5x−4≥12 or 12x+5≤−4 can you with this problem

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^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.