Help me with this plis !

40 describe the outliers from the scatter plot.

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?

Acircle has a circumference of 28.36 units what is the diameter of the circle