Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log9 7 + log9 x = 1
A. {
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B. {
}
C. {
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D. {
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Answer: A
Mathematics
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Use the tests for divisibility to answer the question.Is 377 divisible by 13?
A. Yes B. No
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Match the system of inequalities with the appropriate graph.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Find the product or quotient, as indicated. Leave your answer in trigonometric form.Find the quotient.
A. 2
B. 2(cos 3? + i sin 3?)
C. 
(cos 3? + i sin 3?)
D. 
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics