The radioactive element carbon-14 has a half-life of 5750 years. a scientist determined that the bones from a mastodon had lost 68.2% of their carbon-14. How old were the bones at the time they were discovered?

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Marking brainliest for original answer.. are these two triangles similar? how can you tell?