What is the volume of the shape in the picture below?

What's the difference between: x≥0 and nonnegative integer. ?

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.