Decide if the answer is reasonable or unreasonable by rounding the numbers and estimating the answer. If the answer is not reasonable, find the correct answer.392.46 ÷ 39.7 = 9.89
A. Unreasonable, should be 0.989
B. Unreasonable, should be 0.0989
C. Unreasonable, should be 98.9
D. Reasonable
Answer: D
Mathematics
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, 
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+ 
= 0
A. - 
, - 
B. 3, 6
C. - 12
D. 
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Round to the indicated place value.Round to the nearest one: 719.759
A. 719 B. 719.8 C. 720
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Find the vertex of the parabola.f(x) = 2x2 - 4x - 2
A. (4, -1) B. (-1, 4) C. (1, -4) D. (-4, 1)
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