Write an equation for the ellipse.foci at (±2
, 0); x-intercepts (±7, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Solve the problem.The yield of a stock is given by Y = 
, where D is the dividends per share of a stock, and P is the price per share of the stock. If the price per share of a stock is $125, and the dividends per share of the same stock are $3.45, then what is the yield of the stock to the nearest tenth of a percent?
A. 36.2% B. 431.3% C. 1.4% D. 2.8%
Mathematics
Verify the identity.
= 
What will be an ideal response?
Mathematics
Solve the equation for 
.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Write the statement in symbolic form.The set of natural numbers is a subset of the integers.
A. N ? Z B. N ? I C. N ? I D. N ? Z
Mathematics