Divide.
A. 
- 
i
B. 
- 
i
C. 
- 
i
D. 
+ 
i
Answer: A
Mathematics
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The graph of a polar equation is given. Select the polar equation for the graph. 
A. r = 8 sin ? B. r = 8 cos ? C. r = 4 + cos ? D. r = 4 + sin ?
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Use the quadratic formula to solve the equation.4n2 = -8n - 1
A. 
B. 
C. 
D. 
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In the figure, m
= 90° and m
= 27°. Find the length of b correct to nearest tenth of a unit.
A. 9.8 B. 10.7 C. 10.9 D. 11.2
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Expand. Assume that all variables represent positive real numbers.log5 
A. 5 log5 x + 6 log5 y - log5 4 B. 5 log5 x - 6 log5 y - log5 4 C. (5 log5 x)(6 log5 y) - log5 4 D. 5 log5 x + 6 log5 y + log5 4
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