Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the area of the shaded region.
A. 10 B. 12.5 C. 7.5 D. 5
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Use the graph to answer the question.
In what quarter was the revenue the least for 2000?
A. third quarter B. fourth quarter C. second quarter D. first quarter
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Solve the equation.3-3x + 6 = 
A. {3}
B. {9}
C. 
D. {-3}
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Factor completely.16 - 28z - 8z2
A. -4(z - 4)(2z + 1) B. (z + 4)(-8z + 4) C. (4z + 16)(-2z + 1) D. -4(z + 4)(2z - 1)
Mathematics