Evaluate the expression.
?
?
A. -3
B. -1
C. 7
D. 2
E. 1
Answer: D
Mathematics
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Answer the question.What is the domain of the square root function, given by f(x) = 
?
A. (0, ?) B. [0, ?) C. (-?, 0] D. (-?, ?)
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Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.6x + 8y = 506x + 2y = 62
A. (-11, 8) B. ( -11, 6) C. (-2, 11) D. (11, -2)
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Multiply.0.0049 × 0.16
A. 0.00784 B. 0.0000784 C. 0.000784 D. 0.00000784
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