Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by 
At the same time the population of East Goma in millions was modeled by
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate the year when the population of West Goma will equal the population of East Goma.
A. 2013
B. 2018
C. 20
D. 1978
Answer: B
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Multiply or divide (as specified) the numerator and denominator by the given factor to obtain an equivalent fraction.
(multiply by 3)
A. 
B. 
C. 
D. 
Determine whether the specified paradox occurs.In a small country consisting of 5 provinces, 300 federal judges are apportioned according to the population of each province. The population of each province is shown for the years 1995 and 2000. 
Does the population paradox occur using Hamilton's method of apportionment?
A. Yes B. No
Choose the model that matches the described situation.A 10 gallon tank of water is drained at a rate of 3 gallons per minute for 2 minutes, is left for 4 minutes, then is emptied at a rate of 4 gallons per minute.
A. 
B. 
C. 
D. 
Find the intersection of the given intervals.(4, ?) ? [13, ?)
A. (4, 13] B. (-?, ?) C. (4, ?) D. [13, ?)