An urn contains 6 red marbles and 6 black marbles. Two marbles are drawn at random. What is the probability that the first one is red and the second one is black if the marbles are drawn (a) with replacement? (b) without replacement?

Is it true or false i’m trying to pass this test so i can leave school

What dimensions can créate more than one triangle ?

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?