Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the absolute value inequality. Write the solution set using interval notation.
? 15
A. (-?, 15] B. [-15, 15] C. (-?, -15] D. (-?, -15] ? [15, ?)
Mathematics
Express as a product.log c K-6
A. -6 log c K
B. log c K ? log c K
C. log c K ? log c 
D. K log c 
Mathematics
Find sin ?, cos ?, tan ?, csc ?, sec ?, and cot ? for an acute angle ? in a right triangle. It is not necessary to find the measure of ?.cot ? = 
A. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
B. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
C. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
D. sin ? = 
cos ? = 
tan ? = 
csc ? = 
sec ? = 
cot ? = 
Mathematics
Solve the system by graphing.y = x - 4y = -x + 14
A. {(18, 10)} B. {(9, 5)} C. {(10, 18)} D. {(5, 9)}
Mathematics