Find cos(A + B).cos A = 
and sin 
, with A in quadrant I and B in quadrant IV.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Decide if an Euler circuit exists for the graph.
A. No B. Yes
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Solve the problem.How many different vertical arrangements are there of 9 flags if 4 are white, 3 are blue, and 2 are red?
A. 24 B. 1260 C. 126 D. 26
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Evaluate.-11.7 - (-9.5)
A. -21.2 B. -2.2 C. 2.2 D. 21.2
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Write the words for the dollar amount as you would on a check.$73.91
A. Seventy-three and 
dollars
B. Seventy-three dollars and 91 cents
C. Seventy-three 
dollars
D. Seventy-three dollars and 
Mathematics