Simplify.-10.712 + (-5.243) - 7.77 - 4.222
A. -17.461
B. -6.523
C. -27.947
D. 3.963
Answer: C
Mathematics
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= 
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Solve the exponential equation and approximate the result, correct to three decimal places.7 ? 2x - 7 = 20
A. 3.301 B. 1.948 C. 0.893 D. 1.249
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Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
÷ 4
A. 
B. - 
C. - 
D. - 
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