Rationalize the denominator of the expression. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.If the shaded triangle ABD shown is a gnomon to triangle BCD, then x =
A. 40. B. 30. C. 32. D. 18. E. none of these
Mathematics
Perform the indicated clock arithmetic.9 ? 1 (12-hr clock)
A. Undefined B. 21 C. 9 D. 12
Mathematics
Simplify the expression. Assume that all variables are positive and write your answer in radical notation.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the LCM.24r4st and 24rs2
A. 24rst B. 24r4s2t C. 12r4s2t D. 576r5s3t
Mathematics