Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the difference.16.891 - 3.407
A. 13.684 B. 20.298 C. 13.584 D. 13.484
Mathematics
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axis 
A. 12? B. 6? C. 15? D. 9?
Mathematics
Multiply.(-9x3)(2x6)(8x4)
A. 144x72 B. -144x13 C. 144x13 D. -144x72
Mathematics
Indicate whether the value of x shown is a solution of the given inequality by answering true or false.Value of x: 6
Inequality: 9 - 2x ? 3
A. True B. False
Mathematics