Write the expression as the sum or difference of logarithms.log3 
A. log3 q ÷ log3 r
B. log3 q - log3 r
C. log3 q + log3 r
D. log3 q ? log3 r
Answer: B
Mathematics
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A. 8 B. f8 - f C. f7 D. f9
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Write the decimal as a fraction or mixed number in lowest terms.0.3
A. 
B. 
C. 
D. 
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Solve by the substitution method.7x + 9y = 143x + 7y = 6
A. {(2, 0)} B. {(1, 1)} C. {(x, y)|7x + 9y = 14} D. ?
Mathematics
Solve the inequality. Write the solution set in interval notation.(x2 - 49)(x2 - 1) > 0
A. (-?, -7) ? (-1, 1) ? (7, ?) B. (-?, -7] ? [-1, 1] ? [7, ?) C. [-7, -1] ? [1, 7] D. (-7, -1) ? (1, 7)
Mathematics