Find an equation for the ellipse described. Graph the equation.Foci at (-4, 5) and (-4, -1); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Provide an appropriate response.Is there an identity element for the operation of subtraction over the set of integers? Support your claim with an example.
What will be an ideal response?
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Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
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The polar coordinates of a point are given. Find the rectangular coordinates of the point.(-3, -135°)
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume that all variables represent positive numbers.
A. 64x2 + 16x + 1
B. 2
x + 1
C. 8x + 1
D. (8x + 1)2
Mathematics