Find the exact value of 
given that 
and 
data-wiris-created="true" varid="variable_id_field" variablename="impvar_1b7ee411fed84e58b70b0321f" />. (Both u and v are in Quadrant II.)
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Use the multiplication principle to solve the equation.72 = -8k
A. -9 B. 1 C. 80 D. -80
Mathematics
Simplify completely. If the fraction is improper, write it as a mixed number.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.(5 - 2
)2
A. 37 - 20
B. 25 - 4
C. 37 + 20
D. 25 + 4
Mathematics
Find the limit or state that it does not exist.
cos 
A. 
B. 1
C. 0
D. Does not exist
Mathematics