Simplify.
2 + 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Tell whether the angle is acute, right, obtuse, or straight.
A. Obtuse B. Acute C. Right D. Straight
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Solve the inequality.16 - x2 ? 0
A. x ? 4 B. x ? -4 C. x ? -4 or x ? 4 D. -4 < x < 4
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Completely factor the polynomial or state that the polynomial is prime.x2 + 4
A. prime B. (x - 2)2 C. (x + 2)2 D. (x + 2)(x - 2)
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Find the indicated roots and express them in rectangular form.Cube roots of -8i
A. 2i, - 
- i, 
- i
B. -2i, 
- i, 
- i
C. 2i, - 
+ i, - 
+ i
D. -2i, 
+ i, 
+ i
Mathematics