Solve the system by elimination. x + 9y = -36 7x + 10y = -40
A. {(1, -5)}
B. ?
C. {(0, -4)}
D. {(4, 0)}
Answer: C
Mathematics
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Find a set of polar coordinates for the point for which the rectangular coordinates are given.(-2, -2
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A. 
B. 
C. 
D. 
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Evaluate.
A. 36 B. 0! C. 1 D. 9
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Reverse the order of integration and then evaluate the integral.
A. 
tan-1 9 - 
ln 82
B. 
tan-1 9 - 
ln 82
C. 
tan-1 9 - 
ln 82
D. 
tan-1 9 - 
ln 82
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Solve the problem.Use the figure to find the length L of the rectangle from its width and area A. Determine L when 
A. 8x + 5; 77 ft B. 8x + 1; 73 ft C. 5x + 8; 53 ft D. 5x + 1; 46 ft
Mathematics