Open ended(15 points): SHOW ALL WORK FOR FULL CREDIT A projectile is fired vertically upward, and its height s(t) in feet after t seconds is given by the function
s(t) = -16t2 + 600t + 800.
a. After how many seconds, to the nearest tenth, will the projectile hit the ground?

What is this inequality notation? t is less then or equal to 2

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume