Solve the problem.An artifact is discovered at a certain site. If it has 57% of the carbon-14 it originally contained, what is the approximate age of the artifact to the nearest year? (carbon-14 decays at the rate of 0.0125% annually.)
A. 3440 years
B. 4497 years
C. 1953 years
D. 4560 years
Answer: B
Mathematics
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Solve the inequality. Write the solution set in interval notation.x2(x + 64)2 ? 0
A. ? B. [-8, 0] ? [8, ?) C. (-?, -8] ? [0, 8] D. (-?, ?)
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Given matrix A, find the indicated minor or cofactor.Find the cofactor A21.A = 
A. 21 B. -11 C. -21 D. 11
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Find the limit algebraically.
A. 1
B. 
C. Does not exist
D. 0
Mathematics
Solve the problem.How long will it take for the population of a certain country to triple if its annual growth rate is 3.4%? Use the exponential growth model 
Round to the nearest year.
A. 88 yr B. 14 yr C. 1 yr D. 32 yr
Mathematics