One day last summer, Jim went kayaking on the Little Susitna River in Alaska. Paddling upstream against the current, he traveled 45 miles in 5 hours. Then he turned around and paddled twice as fast downstream and, with the help of the current, traveled 27 miles in 1 hour. Find the rate of the current.
A. 3 mph
B. 27 mph
C. 12 mph
D. 15 mph
E. 9 mph
Answer: A
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Solve the problem.In the weighted voting system 
,
A. P1 and P2 have equal power, P3 is not a dummy. B. P1 and P2 have equal power, P3 is a dummy. C. all three players have equal power. D. P1 has all the power, P2 and P3 are dummies. E. none of these
Solve the problem.The natural resources of an island limit the growth of the population to a limiting value of 3423. The population of the island is given by the logistic equation 
where t is the number of years after 2010. What would be the predicted population of the island in 2019?
A. 2443 people B. 831 people C. 2714 people D. 2579 people
The magnitude of the horizontal and vertical vector components 
and 
of vector V are given. Find the magnitude of V. Apply the rules regarding the use of significant digits when determining your answers.
?
?
__________
Fill in the blank(s) with the appropriate word(s).
Evaluate.-28.02 - (-5.78 )
A. -22.24 B. -33.80 C. 22.24 D. 33.80