Find an equation of the following curve.An ellipse centered at the origin having vertex at (0, -9) and eccentricity equal to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: B
Mathematics
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Find the common ratio for the geometric sequence.(-8)-2, (-8)-3, (-8)-4, . . .
A. 
B. - 
C. - 8
D. 8
Mathematics
Find the infinite sum accurate to three decimal places.
A. 1.000 B. 1.500 C. 0.500 D. 3.000
Mathematics
Use the circle graph to solve the problem.The circle graph below gives the number of students in the residence halls at the state university.
Write the ratio as a fraction in lowest terms of the number of residents at Adams to the number of students at Dodge.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The median is a better indicator of the average than the mean.
A. True B. False
Mathematics