Prehistoric cave paintings were discovered in a cave in France. The painting contained 40% of the original carbon-14. The half-life of carbon-14 is 5730 years. Estimate the age of the paintings

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

What percent of the circle below is shaded?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?