Find an equation for the ellipse described.Center at (5, 5); focus at (11, 5); vertex at (13, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 2
D. 
- 
= 1
Answer: B
Mathematics
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What will be an ideal response?
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Complete the identity.sin(4?) sin(6?) cos(4?) cos(6?) = ?
A. 
B. 
C. cos2(48?)
D. 
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Solve the problem.A survey of the 8612 vehicles on the campus of State University yielded the following circle graph. 
What percent of the vehicles are hatchbacks?
A. 36% B. 25% C. 8% D. 310%
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Express the interval in set-builder notation and graph the interval on a number line.(-8, 8]
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
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