Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cot 0.2038
A. 0.98 B. 0.21 C. 4.84 D. 1.02
Mathematics
Multiply. Simplify, if possible.28 ? (-388)
A. 10,892 B. -10,892 C. -10,864 D. 10,864
Mathematics
Give the domain and range of the relation.
A. Domain: {5, 13}; Range: {4, 7, 12} B. Domain: {4, 7, 12}; Range: {5, 13} C. Domain: {4, 5, 7}; Range: {12, 13} D. None of the above
Mathematics
Graph the solution set of the inequality and write it in interval notation.{x|-1 ? x ? -5}
A. [-5, -1)
B. (-5, -1]
C. (-5, -1)
D. [-5, -1]
Mathematics