Find the probability.A bag contains 3 red marbles, 2 blue marbles, and 8 green marbles. What is the probability of choosing a blue marble when one marble is drawn?
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Suppose a cost-benefit model is given by 
where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 45% to the nearest dollar.
A. $3465 B. $818 C. $7700 D. $6300
Solve the following system by any appropriate method. If there is no real number solution, so state.3x2 - 4y2 = -375x2 + 2y2 = 77
A. (3, -4), (3, 4) B. (3, 4), (4, 3), (-3, -4), (-4, -3) C. (3, 4), (3, -4), (-3, 4), (-3, -4) D. (-3, -4), (-4, -3)
Provide an appropriate response.There are 5 women and 9 men on a committee. What is the ratio of the women to men?
A. 
B. 
C. 
D. 
Solve the problem.The string on a balloon is 59 mm long. What is this length measured in cm?
A. 590 cm B. 0.6 cm C. 5.9 cm D. 5900 cm