Find a general term an for the geometric sequence.a1 = 
, r = 5
A. an = 
- 
(n - 1)
B. an = 
? 5n-1
C. an = 
n-1
- 
D. an = 
+ 
(n - 1)
Answer: B
Mathematics
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Solve the problem.Find a unit vector perpendicular to plane PQR determined by the points P(2, 1, 3), Q(1, 1, 2) and R(2, 2, 1).
A. 
(i - 2j - 2k)
B. 
(i - 2j - k)
C. 
(i - 2j + k)
D. 
(-i - 2j - k)
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Provide an appropriate response.Frequency is represented by the height of a bar chart.
A. True B. False
Mathematics
Answer the question.In the fraction 
, the denominator is ? .
A. 30 B. 11 C. 5 D. 6
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Determine the type of conic that is the graph of the equation.3x2 - 4y2 + 6x + 4y + 4 = 0
A. not a conic B. ellipse C. hyperbola D. parabola
Mathematics