Find the first term and the common ratio of the geometric sequence.
, 
, 
, 
, 
, . . .
A. a1 = 4, r = 12
B. a1 = 
, r = 4
C. a1 = 4, r = 
D. a1 = 
, r = 
Answer: B
Mathematics
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the x-axis, 
and 
where k is the mass per unit area.
A. 
sin-1
B. k ln 2
C. 
D. 
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Find the weighted mean of the numbers in the table. Round to the nearest tenth.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. 
A. 7.5 points B. 7.8 points C. 7.6 points D. 7.3 points
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Graph using the slope and y-intercept.y = 2x - 6
A. 
B. 
C. 
D. 
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Solve the equation.7x - 9x - 10x = -9 - 99
A. 
B. {9}
C. 
D. 
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