Write out the sum.
A. 1 + 2 + 3 + ... + n
B. 3n + 10
C. 10 +13 + 16 + ... + (3n + 10)
D. 13 + 16 + 19 + ... + (3n + 10)
Answer: D
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. 
For which of the two continents is there a smaller range of heights in its 20 highest mountains?
A. Continent Y B. Continent X
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Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. y = 3 B. y = 6 C. x = 6 D. x = -6
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Find all solutions of the equation in the interval [0, 2?).csc2 = 2
A. 
, 
B. 
, 
, 
, 
C. 
, 
D. 
, 
, 
, 
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Evaluate.6.579 - (-0.41)
A. 7.089 B. 6.169 C. 6.989 D. 2.697
Mathematics