As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The sample consists of
A. the 800 marbles in the container.
B. the 40 marbles drawn by the student.
C. the 16 red marbles drawn by the student.
D. the 300 red marbles in the container.
E. none of these
Answer: B
Mathematics
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A. 3 + 
i
B. -3 - 
i or -3 + 
i
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i
D. 3 - 
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i
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What will be an ideal response?
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Solve the equation.x(4x - 1) = (4x + 1)(x - 5)
A. 
B. 
C. 
D. {2}
Mathematics