Solve using the elimination method. x + y = -1x - y = -13
A. (7, 7)
B. (-8, 7)
C. (-1, -13)
D. (-7, 6)
Answer: D
Mathematics
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A. 161 dm B. 16.1 dm C. 0.016 dm D. 0.161 dm
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. y = sec x, y = tan x, x = 0, x = 
A. 
B. 
C. 
D. 
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Multiply by the appropriate value of 1 to build up the fraction to an equivalent fraction with the denominator shown. 
= 
A. 
B. 
C. 
D. 
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Graph the parabola described.Vertex at (0, 0); Focus at (0, 4)
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B. 
C. 
D. 
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