Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 768 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 764 km to 223 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Solve the problem.Find the average distance from a point 
in the annular region 
to the origin.
A. 
B. 
C. 
D. 
Mathematics
Simplify.(3x)0
A. 1 B. 3x C. 0 D. 3
Mathematics
Identify the form of the argument and state whether the argument is valid or invalid.If I'm hungry, then I will eat.I'm not hungry. Therefore, I will not eat.
A. Fallacy of the converse; invalid B. Law of detachment; valid C. Law of contraposition; valid D. Fallacy of the inverse; invalid
Mathematics
Find the value of the permutation.P(5, 1)
A. 1 B. 5 C. 120 D. 24
Mathematics