Find the root if it is a real number.
A. 0.9
B. 8
C. 0.08
D. 0.8
Answer: D
Mathematics
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Simplify. Express in terms of i.
A. ±5
B. -5i
C. -i
D. 5i
Mathematics
Find the least common denominator for the expression.
- 
A. 21a3 B. 4a2 C. a3 D. 4a3
Mathematics
Find the vertices of the ellipse.25x2 + y2 - 200x + 375 = 0
A. (5, 4), (5, -4)
B. (5, 
), (5, -2
)
C. (4, 5), (4, -5)
D. (4, 2
), (4, -2
)
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.csc 
A. -2
B. - 
C. 
D. 2
Mathematics