Solve.An elliptical riding path is to be built on a rectangular piece of property that measures 8 mi by 4 mi. Find an equation for the ellipse if the path is to touch the center of the property line on all 4 sides.A = 8 miB = 4 mi 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = (y-x)i + (z-y)j + (z-x)k ; D: the region cut from the solid cylinder x2 + y2 ? 64 by the planes z = 0 and 
A. -640 B. 0 C. -640? D. 640?
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Solve using the addition and multiplication principles together.12(3c - 2) = 7c - 6
A. 
B. 
C. 
D. - 
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 7 + 5i
A. 
= 7 - 5i, z
= 49 - 25i2
B. 
= 7 - 5i, z
= 74
C. 
= 7 - 5i, z
= 24
D. 
= 7 - 5i, z
= 49 - 25i
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Identify the open intervals where the function is changing as requested.Decreasing
A. (-?, 3) B. (0, -2) C. (0, 3) D. (-?, -2)
Mathematics