Graph the circle.x2 + y2 + 4x + 8y - 5 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the substitution formula to evaluate the integral.
A. 10 B. 20 C. 5 D. -5
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 6
w = 12
Find 
.
A. 
B. 
C. 
D. 
Mathematics
Minimize 
subject to the given constraints.
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Reduce the rational expression to lowest terms.
A. 
B. 
C. 
D. 
Mathematics