For the given arithmetic series, what is Sn?a1 = 5, d = -3, and n = 12
A. -138
B. -276
C. -133
D. -552
Answer: A
Mathematics
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Evaluate the integral.
A. 
x2e2x - 
xe2x + 
e2x + C
B. 
x2e2x - xe2x + 
e2x + C
C. 
x2e2x - 
xe2x + C
D. 
x2e2x - 
xe2x + 
e2x + C
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Choose the best answer.A mechanical pencil is about how long?
A. 0.14 km B. 1.4 dm C. 1.4 m D. 1.4 cm
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Find the slope of the tangent line to the graph of y = etan x at x = 0.Enter just an integer.
Fill in the blank(s) with the appropriate word(s).
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Find the integral.
A. 2x
- 
+ C
B. 
x3/2 - 
+ C
C. 2x
- 
+ C
D. 
x3/2 - 
+ C
Mathematics