Find an equation for the ellipse described.Focus at (-4, 0); vertices at (-5, 0) and (5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Provide an appropriate response.Factor completely: 49a2 - b2
Fill in the blank(s) with the appropriate word(s).
Mathematics
Evaluate the following improper integral whenever it is convergent.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find a system of inequalities to describe the given region.Points inside the triangle that has vertices (0, 0), (0, 5), and (8, 0).
A. x > 0, y > 0, y < 
x + 5
B. x > 0, y > 0, y > - 
x + 5
C. x > 0, y > 0, y < - 
x + 8
D. x > 0, y > 0, y < - 
x + 5
Mathematics
Solve.8 - 
= 
A. 8 B. 2 C. -2 D. 0, 2
Mathematics