Evaluate the determinant.
A. 254
B. 174
C. 16
D. -254
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Find the length of the indicated portion of the curve.r(t) = (2cos t)i + (2sin t)j + 3tk, 0 ? t ? ?/2
A. 
?
B. 
?
C. 
?
D. 
?
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Factor out the greatest common factor.4x + 32
A. 4x(x + 8) B. 4x(8) C. 4(x + 32) D. 4(x + 8)
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