Solve the equation.
= 9
A. {169}
B. {85}
C. {81}
D. {77}
Answer: D
Mathematics
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Write a percent for both the shaded and unshaded parts of the figure.
A. 0.7% B. 7% C. 70% D. 8%
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Write a system of linear inequalities that has the given graph.
A. 
B. 
C. 
D. 
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Check the addition. If the answer is incorrect, find the correct answer.
15,289
A. Incorrect; should be 14,289 B. Incorrect; should be 15,189 C. Correct D. Incorrect; should be 15,399
Mathematics
Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = 
, g(x) = 
A. (-?, 0) ? (0, 8) ? (8, ?)
B. (-?, 0) ? (0, ?)
C. (-?, 0) ? 
? 
D. 
? 
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