Add the integers.-19 + (-12) + (-21) + (-6)
A. 22
B. -20
C. -58
D. 4
Answer: C
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?cos2? = 
A. ? = 0, ?, 2?
B. ? = 
, 
, 
, 
C. ? = 
, 
, 
, 
D. ? = 
, 
, 
, 
Mathematics
Use this graph to answer the question.
MonthWhat were the total sales for the first 6 months of 2010?
A. $64,000 B. $366,000 C. $286,000 D. $302,000
Mathematics
Express as a difference of logarithms.log6 
A. log(11 - F - 6) B. log3 11 - log3 F C. log6 11 - log6 F D. log 11 - log F - log 6
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.4(2x - 1) = 19
A. {2.19} B. {0.56} C. {1.56} D. {2.88}
Mathematics