Express the value of the inverse hyperbolic function in terms of natural logarithms.cosh-1 2
A. ln (2 + 
)
B. ln (2 + 
)
C. ln (2 - 
)
D. ln (4)
Answer: A
Mathematics
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Solve the problem.The two circles have radii of 2 and 16 respectively. The distance between their centers is 32. What is x, the length of one of their common tangents?
A. 
B. 
C. 
D. 
Mathematics
The table below shows the scores of a group of students on a 10 point multiple choice placement test.
The range on the test is
A. 9. B. 10. C. 7. D. 8. E. none of these
Mathematics
Find the standard deviation for each data set. Round to one more place than the data.17, 12, 10, 13, 5, 17, 7, 6, 9
A. 4.4 B. 4.2 C. 4.8 D. 1.3
Mathematics
Solve the problem.5 + 8 + 11 + . . . + 755 =
A. 
B. 
C. 
D. 
E. none of these
Mathematics