Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 8x2
B. 3x
C. 8
D. 3x2
Answer: D
Mathematics
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Solve the problem.The function 
can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 
Round the answer to two decimal places.
A. 2.97 mg B. 1.62 mg C. 0.04 mg D. 607.55 mg
Mathematics
Complete the identity.
= ?
A. tan (2?). B. 2 sin (10?) C. 2 sin (5?) sin (2?) D. 2 cos (5?) sin (2?)
Mathematics
Use a table of integrals to evaluate the integral. 
Mathematics
Find the LCM.2, 8, and 10
A. 20
B. 40
C. 80
D.
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Mathematics