Add or subtract. Simplify by collecting like radical terms, if possible.-6
+ 11
A. -17
B. 18
C. 5
D. -6
Answer: C
Mathematics
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Use the Pythagorean Theorem to find the length of the missing side.Then find the indicated trigonometric function of the given angle. Give an exact answer with a rational denominator.Find sin ?.
A. 
B. 
C. 
D. 
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Evaluate.(10 - 1)!
A. 362,880 B. 40,320 C. 10 D. 3,628,800
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Identify the like terms in the algebraic expression. 9x + 6y - 21y + 27x
A. 9x and 6y; -21y and 27x B. 9x and 27x; 6y and -21y C. 9 and 21; 6 and 27 D. 9 and 27; 6 and -21
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Find a set of parametric equations for the conic section or the line.Circle: Center: (2, 3); Radius: 2
A. x = 2 + 2 cos t; y = 3 + 2 sin t B. x = 3 + 2 sin t; y = 2 + 2 cos t C. x = t - 2; (y - 3)2 + t2 = 4 D. x = 2 + sin t; y = 3 + cos t
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