Find the greatest common factor, GCF, of the expressions.21m3, 189m9, 441m4
A. 189m3
B. 21m6
C. 21m3
D. 3969m6
Answer: C
Mathematics
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = 
i + 
j + 12tk
A. a = 
T
B. a = 25T + 25N
C. a = T + 25N
D. a = 
N
Mathematics
Evaluate the integral in terms of natural logarithms.
A. 7 ln (4 + 
)
B. 4
C. ln (4 + 
)
D. 7 ln (1 + 
)
Mathematics
Find the curvature of the curve r(t).r(t) = (10 + cos 5t - sin 5t)i + (9 + sin 5t + cos 5t)j + 10k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Subtract.957
A. 352 B. 262 C. 362 D. 1,552
Mathematics