Find an equation of an ellipse satisfying the given conditions.Vertices: (0, -7) and (0, 7); length of minor axis: 4
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 10
D. 
+ 
= 1
Answer: D
Mathematics
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Perform the operation using trigonometric form. Write the answer in the form a + bi(6
- 6i)(2i)
A. 1 + 
i
B. 12
+ 12i
C. 12 + 12
i
D. 12
i
Mathematics
Fill in the blank with one of the words or phrases listed below.
= tax rate ? purchase price.
A. Amount of discount B. Commission C. Total price D. Sales tax
Mathematics
Use the vectors v, u, w, and z to draw the indicated vector. 
z - v
A. 
B. 
C. 
D. 
Mathematics
Solve.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Determine the distance, w, between the outside walls.A = 11 m
A. 79 m B. 8.9 m C. 17.8 m D. 12.8 m
Mathematics