Find an equation of the ellipse.An ellipse with x-intercepts ±9 and y-intercepts ±7, center at origin
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Describe how you would apply the five basic steps of a statistical study to the given issue. You want to know the percentage of college seniors who regret their choice of major.
What will be an ideal response?
Mathematics
Solve the problem.Find an upper bound for 
in estimating 
with n = 9 steps.Give your answer as a decimal rounded to four decimal places.
A. 0.1276 B. 0.0638 C. 0.2552 D. 0.4009
Mathematics
Divide and express the result in standard form.
A. 
- 
i
B. - 
+ 
i
C. - 
+ 
i
D. 
+ 
i
Mathematics
Solve the absolute value equation.|2x + 2| = 22
A. x = 10 B. x = -12 C. x = -12, 10 D. x = -10, 12
Mathematics