Find the standard equation of the circle that satisfies the conditions.Endpoints of a diameter (-8, 7) and (-4, 8)
A. 
2 + 
2 = 17
B. 
2 + 
2 = 369
C. 
2 + 
2 = 145
D. 
2 + 
2 = 
Answer: D
Mathematics
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Determine how many vertices and how many edges the graph has.
A. 6 vertices; 7 edges B. 5 vertices; 7 edges C. 5 vertices; 8 edges D. 5 vertices; 6 edges
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Solve the problem. Express any improper fraction as a whole or mixed number.Martha can rake the leaves in her yard in 2 hours. Her brother can do the job in 6 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 1
hr
D. 3 hr
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Solve the equation.
- 
= 
A. 
B. 
C. - 
D. - 
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In changing from Cartesian to polar coordinates, 
is
Select the correct answer.
?
A. 
B. 
C. 
?
D.
E.
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