The halflife of Carbon-14 is 5730 years. If you have 500 grams of Carbon-14 in the sample of an artifact, how much will be left after 2000 years? A.636.9g
B.512.6g
C.392.6g
D.198.1g

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?