Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 331/5x
C. 
D. 329/5x
Answer: B
Mathematics
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Use the graph to solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the rate of change of test scores with respect to family income.
A. 15.1 point(s) per thousand dollars B. 150 point(s) per thousand dollars C. 1500 point(s) per thousand dollars D. 1.5 point(s) per thousand dollars
Mathematics
Rewrite the expression as a sum, difference, or multiple of logarithms.ln 
A. 3 ln(2x + 10) - 2 ln 7x
B. 
ln(2x + 10) - ln 7 + 2 ln x
C. 
ln 2x + ln 10 -2 ln 7x
D. 
ln(2x + 10) - ln 7 - 2 ln x
Mathematics
Decide whether the given inequality is true or false.3 ? 3
A. True B. False
Mathematics
Evaluate.93
A. 27 B. 729 C. 19,683 D. 512
Mathematics