Solve the problem.A fossilized leaf contains 36% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 8239
B. 28,899
C. 33,539
D. 3599
Answer: A
Mathematics
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Graph the inequality.
+ 
? 1
A. 
B. 
C. 
D. 
Mathematics
Determine if the given number is a solution to the given equation. Answer yes or no.Is 11 a solution to p - 6 = 5 ?
A. yes B. no
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 1.17x + 16.4 B. y = 1.03x + 18.9 C. y = 1.03x + 16.4 D. y = 1.17x + 18.9
Mathematics
Describe the curve defined by the given parametric equations.x = 2 sec t, y = 4 tan t; for t in 
A. Upper branch of a hyperbola B. Lower portion of an ellipse C. Upper portion of an ellipse D. Right branch of a hyperbola
Mathematics