Cesium-137 has a decay constant of 0.0231 (a 30 year half life). If 20 pounds of cesium-137 were released into the Pacific Ocean by a tsunami, how much will still be there ten years later

Which fraction below is equivalent to 10/12?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm