Perform the indicated operation. Make sure you simplify your final answer.
? 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.An artifact is discovered at a certain site. If it has 78% 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. Round to the nearest year, if necessary.
A. 863 years B. 1760 years C. 6240 years D. 1988 years
Find the radius of the given circle.
A. 5.966 yd B. 0.95 yd C. 11.34 yd D. 1.9 yd
The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400What was the family's total income from January thru June?
A. $11,000 B. $9,200 C. $12,150 D. $13,000
Solve the problem.Two machines are turned on at 8:00 A.M. If one can produce 27 items each hour and the other can produce 41 items each hour, at what time will they produce a total of 476 items?
A. 2:00 P.M. B. 4:00 P.M. C. 3:00 P.M. D. 4:30 P.M.