Solve.A ping-pong ball is dropped from a height of 9 ft and always rebounds 
of the distance fallen. Find the total sum of the rebound heights of the ball.
A. 6 ft
B. 4.5 ft
C. 13.5 ft
D. 3 ft
Answer: B
Mathematics
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Perform the indicated operation.
A. 
B. -8
C. -2
D. 2
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Find the torsion of the space curve.r(t) = (6t sin t + 6 cos t)i + (6t cos t) - 6 sin t)j - 5k
A. ? = -1 B. ? = 1 C. Undefined D. ? = 0
Mathematics
Find the domain and the range for the function.
A. D: 
, R: 
B. D: 
, R: 
C. D: 
, R: 
D. D: 
, R: 
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Factor out the GCF.48a9b3c8 - 96a7bc6 + 96a3b2c3
A. 48a3(1a6b3c8 - 2a4bc6 + 2b2c3) B. 48(1a9b3c8 - 2a7bc6 + 2a3b2c3) C. 48a9b3c8(1 - 2a7bc6 + 2a3b2c3 ) D. 48a3bc3(1a6b2c5 - 2a4c3 + 2b)
Mathematics