Find the probability.A bag contains 7 red marbles, 2 blue marbles, and 9 green marbles. What is the probability of choosing a blue marble?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = x2/3(7 - x)
A. [-2, 2] by [-15, 15] B. [0, 10] by [-10, 10] C. [-4, 10] by [-10, 10] D. [-4, 0] by [-5, 5]
Mathematics
Convert the given unit of measure to its base unit - meters, grams, or liters.86 hm
A. 0.86 m B. 8.6 m C. 8600 m D. 860 m
Mathematics
Change to the measure indicated.8.1 centiliters to dekaliters
A. 0.0081 dal B. 81 dal C. 0.081 dal D. 0.81 dal
Mathematics
Complete the square to find the x-intercepts of the function.f(x) = x2 + 4x - 3
A. (2 + 
, 0)
B. (-2 + 
, 0), (-2 - 
, 0)
C. (-2 + 2
, 0), (-2 - 2
, 0)
D. (-1 + 
, 0), (-1 - 
, 0)
Mathematics