Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. 19,683
B. 243
C. 2187
D. 6561
Answer: B
Mathematics
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Answer the question.In 2000 a company increased its workforce by 
. In 2001 it decreased its workforce by 
. How does the size of its workforce at the end of 2001 compare with the size of the workforce at the beginning of 2000?
A. It is unchanged. B. It is 2% lower. C. It is 4% lower. D. It is 4% higher.
Mathematics
Evaluate the integral.
A. 50 B. 16 C. 25 D. 32
Mathematics
Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. Select the correct answer.
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Mathematics
For the given polar equation, write an equivalent rectangular equation.r = 1 + 2 sin ?
A. 
= x2 + y2 + 2y
B. x2 + y2 = 
+ 2x
C. x2 + y2 = 
+ 2y
D. 
= x2 + y2 + 2x
Mathematics