Solve the equation.
- 
= 1
A. {3}
B. {-3, -1}
C. ?
D. {3, -1}
Answer: D
Mathematics
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A. 0.447 B. 2.235 C. 4.47 D. 0.045
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Solve the equation by factoring.x2 - 49 = 0
A. {49} B. {7, -7} C. {7} D. {-7}
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Find an equation of the ellipse that satisfies the conditions.Vertices 
, length of minor axis is 
.
A. 
B. 
C. 
D. 
E. 
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Multiply.
A. 246 B. 248 C. 256 D. 356
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