Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
- 
C. 
D. 
Answer: D
Mathematics
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Find the mean of the list of data.43, 65, 47, 31, 80, 54, 91, 109
A. 64 B. 63 C. 66 D. 65 E. 67
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Determine whether the statement is true or false.cos 60° = 1 - 2 sin230°
A. True B. False
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Perform the indicated operation. If the fraction is undefined, say so.
A. 0
B. 
C. 24
D. undefined
Mathematics
Is this the graph of f(x) = 9x + 1 + 
, x > 0?Enter just "yes" or "no" (lower case).
Fill in the blank(s) with the appropriate word(s).
Mathematics