Find the indicated probability.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1094?A student from the community college is selected at random. Find the probability that the student is at least 31. Round approximations to three decimal places.
A. 0.931
B. 76
C. 0.048
D. 0.069
Answer: D
Mathematics
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Determine whether the graph opens upward or downward.y = x2 - 8x + 18
A. Upward B. Downward
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Factor completely. If the polynomial is prime, state so.56s3 + 7
A. 7(2s + 1)(4s2 + 2s + 1) B. 7(2s + 1)(4s2 - 2s + 1) C. 7(2s + 7)(4s2 - 14s + 7) D. 7(2s - 1)(4s2 + 2s + 1)
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Graph the inequality.y > -x2 - 6x - 5
A. 
B. 
C. 
D. 
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Write the fraction as a decimal using the bar notation.
A. 0.3
B. 0.
C. 0.
D. 0.
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