Find parametric equations for the line described below.The line through the point P(7, -6, -7) and parallel to the line x = 4t - 7, 
A. x = 5t + 7, y = -4t, z = -7
B. x = 4t + 7, y = 5t - 6, z = 4t - 7
C. x = 7, y = 4t - 6, z = -5t - 7
D. x = 4t - 7, y =5t + 6, z = 4t + 7
Answer: B
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Prove the formula for all natural numbers n.
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List the steps involved.
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Suppose the triangles shown are similar, with angle A = angle D, angle B = angle E, and angle C = angle F. Answer the question.
What is the value of x?
A. 16 B. 9 C. 31 D. 15
Approximate the coordinates of the points.
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A. ?A: (4, 2), B: (-6, -6), C: (5, 2), D: (6, -5) B. ?A: (1, 2), B: (-6, -6), C: (5, 2), D: (6, -5) C. ??A: (2, 2), B: (-6, -6), C: (5, 2), D: (6, -5) D. ??A: (3, 2), B: (-6, -6), C: (5, 2), D: (6, -5) E. ???A: (-1, 2), B: (-6, -6), C: (5, 2), D: (6, -5)