A fossil is found that contains 10% of the amount of carbon-14 found in a living being. About how old is the fossil?

A. 15,300 years

B. 17,600 years

C. 19,200 years

D. 20,700 years

30 POINTS!

Pls brainliest will be awarded if answer is correct

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.