Determine whether the ratios are proportional.
and 
A. Yes
B. No
Answer: B
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Which of the following is not true about permutations? ?
A. Order matters. The arrangement AB is a different result than BA. B. Drawing a picture of all possible outcomes, to help you find the probability of an event, is conceivable in certain situations. C. Finding the probability of selecting candidates for the positions: secretary, treasurer, and administration assistant requires the use of permutation. D. Find the probability of selecting candidates for five administrate assistant positions requires the use of permutation. E. ?None of the above.
The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (10t - 5t3)i + 2tan(3t)j + e3tk
A. a
= - 
?i - 72j + 9e1/4?k
B. a
= - 
?i - 72j + 9k
C. a
= - 
?i + 72j + 9e1/4?k
D. a
= 
?i + 72j + 9e1/4?k
Raise the fraction to the indicated power.54
A. 9 B. 5 C. 20 D. 625
Convert to decimal degree notation. Round to two decimal places.41'43''
A. 0.73? B. 0.7? C. 41.01? D. 41.72?