Simplify each radical
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Write a story that matches with the expression 42x-5 pls hurry

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?

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder