Solve the problem.In 1999 the stock market took big swings up and down. A survey of 970 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily? 
A. 25.46%
B. 27.32%
C. 28.87%
D. 24.02%
Answer: D
Mathematics
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Sketch the graph of the polar equation. Identify the curve.r = 4 sin(2?)
A. lemniscate
B. rose curve
C. rose curve
D. circle
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Solve.log3x = 1
A. x = 3
B. x = 0
C. x = 
D. x = 1
Mathematics
Write a word name for the number in the sentence.The control center was suddenly unable to track the satellite when it reached a distance of 128,615 miles from the earth's surface.
A. One hundred twenty thousand, eighty-six hundred, fifteen B. Six hundred fifteen thousand, one hundred twenty-eight C. One hundred twenty-eight thousand, six hundred fifteen D. One hundred twenty-eight million, six hundred fifteen
Mathematics
Find the distance between the pair of points on the number line.-11, -3
A. -14 B. 8 C. -8 D. 14
Mathematics