Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. 
? 
A. 10xy
B. 2x
C. x
D. x
Answer: B
Mathematics
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Solve the problem.Evaluate 
at t = 3 for the function w = exyz2; x = t, y = t, z = 
.
A. 
e
B. 0
C. - 
e
D. 
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Two dice are thrown. Determine the number of ways the indicated score can be obtained.8
A. 1 B. 5 C. 3 D. 4
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Write the percent as a fraction or mixed number in lowest terms.9%
A. 9
B. 
C. 
D. 
Mathematics
Use the factoring method to identify the LCD for the pair of fractions.
, 
A. 9 B. 28 C. 171 D. 19
Mathematics