Solve the equation or inequality. Write inequality solutions in interval notation.
+ 
= 7
A. 
B. - 9
C. 
D. 
Answer: A
Mathematics
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Solve the problem.The ellipse 
+ 
= 1 is shifted up 5 units and left 6 units. Find an equation for the new ellipse and find the new vertices.
A. 
+ 
= 1; vertices: (-6 ± 
, 5)
B. 
+ 
= 1; vertices: (-6 , 5 ± 
)
C. 
+ 
= 1; vertices: (-6 ± 
, 5)
D. 
+ 
= 1; vertices: (-6 , 5 ± 
)
Mathematics
If n is an integer, n ? 180° represents an integer multiple of 180°, and 
represents an odd integer multiple of 90°. Decide whether the expression is equal to 0, 1, -1, or is undefined. tan(n ? 180°)
A. 1 B. -1 C. 0 D. Undefined
Mathematics
Solve the equation.10
2 - 27(y + 3)2 + 5 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 
A. {4, 7}
B. 
C. 
D. {-4, -7}
Mathematics