Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 
+ 
A. 8
B. 56
C. 8
D. -4
Answer: A
Mathematics
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Write the following using algebraic notation.One tenth of x
A. 
B. 10x
C. 25x
D. 1.1x
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Reduce the mixed number.19
A. 19
B. 19
C. 19
D. 19
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Find the distance around the figure below by using the appropriate formula, if 
, 
. Round approximate answer to two decimal places.
?
?
A. 16.28 cm
B. 9.14 cm
C. 11.14 cm
D. 14.28 cm
E. 20.57 cm
Mathematics
Graph the function.f(x) = 3 - ln x
A. 
B. 
C. 
D. 
Mathematics