Solve the problem.An artifact is discovered at a certain site. If it has 62% 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. 1661 years
B. 3824 years
C. 4960 years
D. 3040 years
Answer: B
Mathematics
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Solve the problem.Find the foci and asymptotes of the following hyperbola:25x2 - y2 = 25
A. Foci: (5, 0), (-5, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (0, 
), (0, -
); Asymptotes: y = 5x, y = -5x
C. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
D. Foci: (
, 0), (-
, 0); Asymptotes: y = 5x, y = -5x
Mathematics
Determine whether each statement is true or false.The absolute value of any nonzero number is positive.
A. True B. False
Mathematics
Provide an appropriate response.Perform the indicated operation: 
A. 20 B. -20 C. 9 D. -9
Mathematics
Evaluate the expression.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics