Solve.How long will it take for the population of a certain country to double if its annual growth rate is 3.4%? Round to the nearest year. Use the exponential growth model P(t) = P0ekt.
A. 1 yr
B. 59 yr
C. 20 yr
D. 9 yr
Answer: C
Mathematics
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Solve.Allan's 4 quiz scores in his math class are 90, 90, 82, and 80. What score does he need to obtain on his exam to average an 85 if an exam counts as much as two quizzes?
A. 68 B. 78 C. 84 D. 83
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30 is what percent of 300?
A. 2% B. 1% C. 20% D. 100% E. 10%
Mathematics
?Use the properties of logarithms to expand 
.
A. ?
B. ?
C. ?
D. ?
E. ?none of the above
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Graph the equation by completing the table of values.y = x2 - 4
A. 
B. 
C. 
D. 
Mathematics