Find the indicated partial sum for the sequence.
, - 
, 
, - 
, ...; S5
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the right triangle. If two sides are given, give angles in degrees and minutes.
B = 68°35', b = 8 kmRound side lengths to one decimal place.
A. A = 21°25'; c = 21.9 km; a = 3.1 km B. A = 21°25'; c = 21.9 km; a = 8.6 km C. A = 21°25'; c = 8.6 km; a = 3.1 km D. A = 21°25'; c = 8.6 km; a = 21.7 km
Mathematics
Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 6x + 2y = 8 9x + 3y = 15
A. Perpendicular B. Neither C. Parallel
Mathematics
Factor. Assume that all exponents are positive.x4n - 1
A. (xn + 1)2(xn - 1)2 B. (xn + 1)3(xn - 1) C. (x3n + 1)(xn - 1) D. (x2n + 1)(xn + 1)(xn - 1)
Mathematics
Evaluate -(-x) for the given value of x.x = 
A. - 
B. 
C. - 
D. 
Mathematics