Give the center and radius of the circle described by the equation and graph the equation.(x - 1)2 + (y + 4)2 = 25
A. center (1, 4), r = 5
B. center (- 1, 4), r = 5
C. center (1, - 4), r = 5
D. center (- 1, - 4), r = 5
Answer: C
Mathematics
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A. 
B. ?
C. 
D. {5, 4}
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Use the fundamental identities to find the value of the trigonometric function.Find sin ? if cot ? = - 2 and cos ? < 0.
A. 
B. 
C. - 5
D. - 
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Use even and odd properties of the trigonometric functions to find the exact value of the expression.cos 
A. - 
B. 
C. - 
D. 
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Evaluate the expression.1254/3
A. 3125 B. 78,125 C. 625 D. 15,625
Mathematics