Solve the problem.The five sales people at Southwest Appliances earned commissions last year of 
, 
, 
, 
, and 
. Find the mean commission.
A. $27,940
B. $25,400
C. $24,130
D. $26,670
Answer: B
Mathematics
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The following stem-and-leaf plot gives the heights of the 20 highest mountains in two continents. Use the plots to answer the question. 
Which of the two continents contains the highest mountain?
A. Continent Y B. Continent X
Mathematics
Evaluate the integral.
2x dx
A. 
sec 2x tan 2x + 
ln
+ C
B. 
sec2 2x tan 2x + 
ln
+ C
C. 
sec 2x tan 2x + 
ln
+ C
D. 
sec 2x tan 2x - 
ln
+ C
Mathematics
Find the sum ? + ? or the difference ? - ? as indicated.Find ? - ?.? = 92°20', ? = 13°32'
A. 105°52' B. 78°48' C. 79°32' D. 79°12'
Mathematics
Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = x3 , g(x) = -x3 - 4
A. 
B. 
C. 
D. 
Mathematics