Solve the equation. 
+ 81 = 9
A. No solution
B. -9
C. 9
D. 9, -9
Answer: A
Mathematics
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A. 
B. 
C. 20
D. 48
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Express the following in interval notation.x ? -3
A. (-?, -3) B. (-3, ?) C. [-3, ?) D. (-?, -3]
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Solve by using the square root property.7x2 = 9
A. x = ± 
B. x = ± 
C. x = 
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