Simplify the product.(-2k) ? 3

A. -6 + k
B. -5k
C. -6k
D. 3 - 2k

Answer: C

Mathematics

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A. -4(cot-1 x)5 + C
B.  + C
C. 4(cot-1 x)3 + C
D.  + C

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A. 480 mL B. 1200 mL C. 30 mL D. 250 mL

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Solve the problem.Place the numbers 13, 14, 15, 16 and 18 in the circles to make the sum across and vertically equal to 47. 

A.
 
B.  
 
C.
 
D.
 

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Express as a sum of logarithms.log4(64 ? 16)

A. log464 + log416 + log44 B. log464 + log416 C. log644 + log164 D. log43 + log42

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