Obama is good correct?

Asap 25 pts + brainlest to right/best answer

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?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.