Can some one help me with these 2 answers?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl