Add or subtract, as indicated. Assume that all variables represent positive real numbers.
+ 
+ 
+ 10
A. 51
B. 17
+ 7
C. 17
+ 34
D. 157
+ 106
Answer: C
Mathematics
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A.
B.
C.
D.
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Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log4.6 246
A. 3.6076 B. 53.4783 C. 2.3909 D. 0.2772
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Identify the equation as either linear or nonlinear by trying to write it in the form 
3x + 2 = 0.2
A. Linear B. Nonlinear
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Perform the operation and reduce to lowest terms.
× 
A. 
B. 
C. 
D. 
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