A bag contains six red marbles, two green, and four blue marbles. You randomly pick a marble and then pick a second marble, returning the marbles to the bag each time. What is the probability of pulling a blue marble first and then a red marble second? a. 1/12
b. 1/18
c. 1/9
d. 1/6

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

What is x and y intercepts for y=x+7