Provide an appropriate response.The solution of the system 
is
A. x = - 
, y = 
B. x = 5, y = -1
C. the coordinates of any point on the line y = 
x - 
D. x = 
, y = 
E. no solution
Answer: C
Mathematics
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A. ?a2
B. a2
C. 
D. 0
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 1 B. 0 C. 2 D. No limit
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Solve.On the morning of December 19 the temperature was -4°F. The next morning the temperature had risen 20°F. What was the temperature on the morning of December 20?
A. 16°F B. 24°F C. -16°F D. -24°F
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
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