Emily and Lars went scuba diving in the ocean together. Emily dove to a depth of -95 feet, while Lars dove to a depth of -89 feet. Who dove deeper into the ocean?

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?