Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.(x2/3)2/7
A. x20/21
B. x2/3 ? x2/7
C. x4/21
D. x4/7
Answer: C
Mathematics
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A. 8 in. B. 12 in. C. 2 in. D. 10 in.
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Convert the mixed number to an improper fraction.9
A. 
B. 
C. 
D. 
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Add or subtract as indicated.
- 
A. 
B. 
C. 0
D. 6x
Mathematics
Use the addition property of equality to solve the equation.10v = 19 + 9v
A. 20 B. -19 C. 19 D. 28
Mathematics