Write an equation for the ellipse.e = 
; foci at (9, 0), (-9, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Find the particular solution to the given differential equation that satisfies the given conditions.4x dx + y dy = x
dx; x = 0 when y = e
A. ln 
= x2 + c
B. ln 
= x2 + 2
C. ln 
= x2 + 2e
D. ln 
= x2 + 2
Mathematics
Determine whether the lines through each pair of points are parallel, perpendicular, or neither.(6, 3) and (10, -1); (0, 2) and (2, 4)
A. parallel B. perpendicular C. neither
Mathematics
Subtract.
A. 350 B. 362 C. 638 D. 290
Mathematics
Simplify.
- 
? 
A. 
B. 
C. 2
D. 
Mathematics