Factor out the greatest common factor.20x8 + 20x
A. 20(x9 + 1)
B. 20(x8 + x)
C. 20x(x7)
D. 20x(x7 + 1)
Answer: D
Mathematics
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Perform the indicated operation. Write the answer in scientific notation.
A. 7.6 × 10-2 B. 3.8 × 1010 C. 3.8 × 10-2 D. 7.6 × 1010
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Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 - x + 8 = 0
A. no real solution
B. 
C. 
D. 
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Solve the inequality.
> x
A. (-?, 0) ? (3, 5) B. (5, ?) C. (0, 3) ? (5, ?) D. (-?, 3) ? (5, ?)
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Determine whether the statement is an expression or an equation.4m + 2 = 2m + 16
A. Expression B. Equation
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