Solve the problem.A fossilized leaf contains 17% 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. 1503
B. 22,848
C. 14,290
D. 35,636
Answer: C
Mathematics
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Find the larger number.-6 and -9
A. -9 B. -6
Mathematics
Solve the problem.Sarah and Shakina are running in a 4-lap, 1 mile race. Shakina is exactly one lap behind at the moment when Sarah completes her second lap. If Sarah averages 0.17 miles per minute for her last two laps, what must Shakina's average speed be in order for her to just pull even with Sarah at the finish line?
A. 0.23 mi/min B. 0.11 mi/min C. 0.26 mi/min D. 0.34 mi/min
Mathematics
Solve the problem.Find (fg)(x) given f(x) = 9x - 1 and g(x) = 3x - 9.
A. 27x2 - 12x + 9 B. 27x2 + 9 C. 27x2 - 84x + 9 D. 12x2 - 84x - 10
Mathematics
Simplify the expression using the quotients-to-powers rule.
3
A. 
B. 
C. 
D. 
Mathematics