Simplify the following by combining like terms.4x8 + 8x7 - 6x8
A. 6x23
B. -2x8 + 8x7
C. 6x7
D. cannot be simplified
Answer: B
Mathematics
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, 1 ? y ? 9
A. 
B. 20
C. 
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Determine whether the graph shown is the graph of a polynomial function.
A. polynomial function B. not a polynomial function
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Write the fraction in simplest form.
A. 
B. 
C. 
D. 
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Write the number in scientific notation.1,900,000
A. 1.9 × 106 B. 1.9 × 10-7 C. 1.9 × 107 D. 1.9 × 10-6
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