Atoy rocket is launched from a 5.6 m high platform in such a way that its height, h (in meters), after t seconds is given by the equation h=-4.9t^2+38.5t+5.6. how long will it take for the rocket to hit the ground?

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x