Classify the triangle as acute, right, or obtuse and as equilateral, isosceles, or scalene.
A. Obtuse, isosceles
B. Acute, equilateral
C. Acute, scalene
D. Obtuse, equilateral
Answer: B
Mathematics
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Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= 
tann-1 x - 
B. 
= tann-1 x - 
C. 
= 
tann-2 x - 
D. 
= 
tann-1 x + 
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Find the indicated quantity for an infinite geometric series.a1 = 5, r = - 
, S = ?
A. 
B. Does not exist
C. - 
D. 
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Determine the total turn for the closed curve. Assign a positive measure to counterclockwise turning.
A. -360° B. 720° C. 0° D. -720°
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Evaluate.(-15)5
A. -759,375 B. 759,375 C. -50,625 D. 50,625
Mathematics