Subtract using a vertical format.(6a2 - a + 6) - (12a2 + 4a - 13)
A. -6a2 - 5a + 19
B. -6a2 - 3a - 7
C. 6a2 + 5a - 19
D. 6a2 + 3a - 7
Answer: A
Mathematics
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A. 
B. 
C. - 
D. -3
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Answer the question.With the exponential function f(x) = ax, why must a ? 0?
What will be an ideal response?
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Write the percent as a simplified fraction or mixed number.4.5%
A. 4
B. 4
C. 
D. 
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Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. 
B. 12x
C. x12
D. x1/12
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