Find the specified quartile.The test scores of 19 students are listed below. Find the upper quartile, QU.
A. 81.5
B. 88
C. 81
D. 82
Answer: D
Mathematics
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Solve the problem.Two machines are turned on at 8:00 A.M. If one can produce 47 items each hour and the other can produce 32 items each hour, at what time will they produce a total of 158 items?
A. 9:00 A.M. B. 11:30 A.M. C. 10:00 A.M. D. 11:00 A.M.
Mathematics
Find the domain of the rational function.f(x) = 
A. {x|x ? 2, 9, -3} B. {x|x ? -2, -9} C. {x|x ? 2, 9} D. all real numbers
Mathematics
Factor completely. State that the polynomial is prime if it cannot be factored.48a4 - 75b2
A. prime B. 3(4a2 - 5b)2 C. 3(4a2 + 5b)2 D. 3(4a2 + 5b)(4a2 - 5b)
Mathematics
Evaluate the polynomial for the given value of x.3x3 - 5x2 - x + 17 for x = -2
A. -35 B. 20 C. -37 D. -25
Mathematics