Solve the equation.
(10x - 20) = 
(8x - 4)
A. 1
B. -1
C. -6
D. 
Answer: B
Mathematics
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Answer the question.Which of the following describes the bias that can occur when members of a study's sample are volunteers?
A. Single-blind bias B. Participation bias C. Sample bias D. Selection bias
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Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
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Find the present value. Round to the nearest cent.To get $10,500 after11 years at 7% compounded annually
A. $5337.67 B. $4750.93 C. $5511.53 D. $4988.47
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Use a graph to solve the inequality.(x - 10)2/5 < (2x - 20)1/5
A. (10, 12) B. (-?, 12) C. (-?, 10) ? (12, ?) D. (12, ?)
Mathematics