Factor.x2 + 4xy - 117y2
A. (x + 13y)(x - 9y)
B. (x - 13y)(x + y)
C. (x - 13y)(x + 9y)
D. (x - y)(x + 9y)
Answer: A
Mathematics
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Identify the number as prime, composite, or neither.429
A. Composite B. Neither C. Prime
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Find the exact value of the expression.sec 1305°
A. 
B. 
C. 2
D. - 
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Find the center (h, k) and radius r of the circle. Graph the circle.(x + 5)2 + (y - 1)2 = 4
A. (h, k) = (5, - 1); r = 2
B. (h, k) = (-5, 1); r = 2
C. (h, k) = (-5, 1); r = 4
D. (h, k) = (5, - 1); r = 4
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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = -6.8x + 150.7 B. y = -6.2x + 140.4 C. y = 6.2x - 140.4 D. y = 6.8x - 150.7
Mathematics