Use the laws of exponents to simplify. Write the answer with positive exponents.
-2/3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify: 
A. -
B. -
C. 
D. undefined
Mathematics
Find the angle in degrees when given the trigonometric values. ? represents the unknown angle measure.csc ? = 1.961
A. 27.560° B. 30.660° C. 27.56° D. 30.66°
Mathematics
Find the exact value by using a sum or difference identity.tan 
A. - 2 + 
B. 2 + 
C. - 2 - 
D. 2 - 
Mathematics
Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. 24
C. 1
D. 
Mathematics