Find the foci of the ellipse.
+ 
= 1
A. (2, -19), (2, 11)
B. (-24, 2), (16, 2)
C. (2, -29), (2, 21)
D. (2, -24), (2, 16)
Answer: D
Mathematics
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Solve the problem.Find the perimeter of the triangle with vertices A(-4, 1, 6), B(2, -2, 6), and 
.
A. 3
+ 
+ 3
B. 
+ 
+ 
C. 3
+ 
+ 
D. 
+ 
+ 3
Mathematics
Find a parametrization for the curve.The upper half of the parabola x + 3 = y2
What will be an ideal response?
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.(
+ 3)(
- 3)
A. 1
B. 10 - 2
C. 19
D. 7
Mathematics
Use the given vectors u, v, w, and z to draw the indicated vector. 
z - v
A. 
B. 
C. 
D. 
Mathematics