Provide an appropriate response.Which one of the following methods cannot be used to solve the equation 
A. Factoring
B. Completing the square
C. Quadratic formula
D. All of the methods can be used.
Answer: A
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Solve the problem.Four married couples have reserved eight seats in a row at the theater, starting at an aisle seat. In how many ways can they arrange themselves if all the women sit together and all the men sit together?
A. 1152 B. 576 C. 48 D. 256
Find the equation of the normal line to the indicated curve at the given point.x2 - y2 = 40 at (-7, 3)
A. 3x - 7y - 42 = 0 B. 3x + 7y - 42 = 0 C. 3x - 7y + 42 = 0 D. 3x + 7y + 42 = 0
Find the vertices and foci of the ellipse.64x2 + 9y2 = 576
A. Vertices: (±8, 0); Foci: (±
, 0)
B. Vertices: (0, ±8); Foci: (0, ±
)
C. Vertices: (±3, 0); Foci: (±
, 0)
D. Vertices: (0, ±3); Foci: (0, ±
)
Add.
A. 58 B. 85 C. 67 D. 94