Provide an appropriate response.Simplify and express your answer in terms of positive exponents: 
What will be an ideal response?
Mathematics
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Solve the inequality using the x-intercept method or the intersection-of-graphs method. Express the solution set in interval notation.20z + 20 > 5(3z + 2)
A. (20, ?) B. (-?, -2) C. (-2, ?) D. (-?, 20)
Mathematics
Express as a single logarithm and, if possible, simplify.ln 72 - ln 8
A. ln 
B. ln(9)
C. ln(64)
D. ln 
Mathematics
Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (5, 0) B. (6, 0) C. (- 216, 0) D. (-6, 0), (6, 0)
Mathematics
Perform the indicated operation. Write the answer in standard form.(2 + 7i)2
A. 53 + 28i B. 4 + 28i + 49i2 C. -45 + 28i D. -45
Mathematics