Use the given triangles to evaluate the expression. Rationalize all denominators. 
tan 
- cos 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Give the opposite and then the absolute value of the number.8 - 8
A. 16, 16 B. 0, 16 C. 0, 0 D. 16, 0
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Change the base ten number to a number in the base indicated.Write 2874 in base nine.
A. 38439 B. 34839 C. 35489 D. 31939
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Refer to the figure to classify the statement as true or false.
and 
are perpendicular to the plane BEF.
A. True B. False
Mathematics
Solve the equation.a2 = 100
A. 20 B. 121 C. 1024 D. 10
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