For problems 4-15, perform the indicated operations and simplify.
A. 
B. 
C. 
D. 
E. none of these
Answer: B
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Solve the problem. Round your answer to 2 decimal places when necessary.In a given year, the population of a certain country is about 185 million. The overall birth rate is 17.6 births per 1000. The overall death rate is 10.4 deaths per 1000. Based on births and deaths alone (not counting immigration), about how much does the population of the country increase during this year?
A. 1.33 million people B. 0.13 million people C. 3.26 million people D. 13.32 million people
Simplify the expression. Assume that all variables are positive.
A. - 
B. x3/2y17/8
C. 
D. 
Find the value. Give an approximation to four decimal places.log
A. 12.3649 B. 1.0929 C. 0.5487 D. 0.2383
Write an equation that expresses the relationship. Use k for the constant of proportionality.q varies directly as the square of r and inversely as s.
A. q = k + r2 - s2
B. q = kr2s
C. q = 
D. q = 