In a bag, there are three red marbles, four blue marbles, two yellow marbles and three black marbles. What is the probability of drawing a blue marble?​

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?

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

32a³b² 8ab² simplify the following expression.