Find the standard form of the equation for the ellipse satisfying the given conditions. Foci (±6, 0); vertex (8, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = t - sin t, y = 1 - cos t, -4? ? t ? 4?
A. 
B. 
C. 
D. 
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Simplify the complex number to its rectangular form.
+ 
A. 2
- 4
j
B. 2
+ 4
j
C. -2
D. -2
j
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Provide an appropriate response. Three shirts and a tie cost $90, while two shirts and four ties cost $120. What is the cost of each tie?
A. $22 B. $24 C. $20 D. $18
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Solve. Provide answers in interval notation.64 - x2 ? 0
A. (-8, 8) B. (-?, -8] ? [8, ?) C. [-8, 8] D. [0, 8]
Mathematics