Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.{3n2 - 4}
A. Arithmetic; d = 3
B. Geometric; r = 3
C. Arithmetic; d = -4
D. Neither
Answer: D
Mathematics
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Solve the rational inequality. Express the solution using interval notation.
< 0
A. (2, ?) B. (-8, 2) C. (-?, -8) D. (-?, -8) ? (2, ?)
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Evaluate.66 - 7 ? 5 + 135 ÷ (-15)
A. 22 B. -13 C. -551 D. 286
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Find the indicated term of the geometric sequence.a6 when a1 = 
and r = 4.
A. 
B. 
C. 
D. 
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Solve the triangle using the labels as shown in the illustration (round lengths of sides to three significant digits and angles to the nearest tenth of a degree).
°, a = 38.3 mi, c = 28.5 mi
A. b = 38.3 mi, 
°, 
°
B. b = 45.8 mi, 
°, 
°
C. b = 38.3 mi, 
°, 
°
D. b = 45.8 mi, 
°, 
°
E. b = 45.8 mi, 
°, 
°
Mathematics