Solve for W if:
4w^2+9w=-2

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

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?

It says factor each expression completely 8y+48