Factor completely.3x2 - 3x - 18
A. 3(x + 2)(x - 3)
B. prime
C. 3(x - 2)(x + 3)
D. (3x + 6)(x - 3)
Answer: A
Mathematics
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Solve the problem.In a border pattern, the only possible angle(s) of rotational symmetry are the identity and
A. 180°. B. 90°, 180°. C. 60°, 90°, 120°, 180°. D. 60°, 90°, 180°. E. none of these
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Provide the requested information about the circular function.What is the range of y = sec x?
A. (-?, -1] ? [1, ?) B. [-1, 1] C. (-?, -1) ? (1, ?) D. (-?, ?)
Mathematics
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. - 
B. 
C. 
D. 
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Use point plotting to graph the plane curve described by the given parametric equations.x = 2t - 1, y = t2 + 4; -4 ? t ? 4
A. 
B. 
C. 
D. 
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