Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.10x = 0.85
A. x = log 
B. x = log - 
C. x = log 0.85
D. x = log -0.85
Answer: C
Mathematics
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Solve.The sum of a number and 6 times its reciprocal is -5. Find the number(s).
A. -2 or -3 B. -4 or 1 C. 2 or 3 D. -2
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Multiply and simplify.
? 
A. 
B. 
C. - 
D. - 
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Add. Write a mixed numeral for the answer.
A. 6
B. 5
C. 6
D. 5
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Calculate.81 ÷ 9 ? 9 ÷ 3 ? 2187
A. 
B. 
C. 59,049
D. 729
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