Rationalize the denominator and simplify. 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify the radical expression. Indicate if the expression is not a real number.
A. - 
B. 
C. - 
D. Not a real number
Mathematics
Write the fraction in decimal notation.
A. 2.09
B. 2.08
C. 2.0
D. 2.0
Mathematics
Use a half-angle formula to find the exact value of the expression.cos 
A. - 
B. 
C. 
D. - 
Mathematics
Use the properties of logarithms to solve.log7 x + log7(x - 2) = log7 24
A. 7 B. 24 C. 6 D. 2
Mathematics