If anybody read blue nail polish by frances killea pleas (:

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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?

If you could answer these your a life saver