Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 - 8x = 15
A. {4 ± 
}
B. {8 ± 
}
C. {4 ± 
}
D. {-4 ± 
}
Answer: A
Mathematics
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For the given data value, find the standard score and the percentile.A data value 0.6 standard deviations above the mean.
A. z = 0.06; percentile = 51.99 B. z = -0.6; percentile = 27.43 C. z = 0.6; percentile = 72.57 D. z = 0.6; percentile = 2.5
Mathematics
Find the value of the constant k so that the function is a probability density function in the indicated interval.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Change the percent to a fraction or a mixed number in lowest terms.29%
What will be an ideal response?
Mathematics
How many pages are necessary to make 1,050 copies of a manuscript that is 423 pages long? (Print on one side only.) ?
A. 915,850 B. 775,850 C. 626,650 D. 423 E. 444,150
Mathematics