Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 2.5%? (Round to the nearest year.)
A. 28 yr
B. 1 yr
C. 80 yr
D. 12 yr
Answer: A
Mathematics
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Find the indicated probability.The table below shows the soft drinks preferences of people in three age groups.
If one of the 255 subjects is randomly selected, find the probability that the person drinks root beer given that they are over 40.
A. 
B. 
C. 
D. None of the above is correct.
Mathematics
Calculate.34.032 ÷ 48
A. 17.09 B. 1.709 C. 7.09 D. 0.709
Mathematics
Find the pivot in the tableau. 
A. 1 in row 1, column 1 B. 2 in row 2, column 1 C. 3 in row 2, column 2 D. 1 in row 1, column 3
Mathematics
Find the open interval(s) where the function is changing as requested.Increasing; y = 
A. (0, ?) B. (-?, 0) C. (-1, ?) D. none
Mathematics