Answer: Option D

Step-by-step explanation:
Note that the projectile height as a function of time is given by the quadratic equation

To find the maximum height of the projectile we must find the maximum value of the quadratic function.
By definition the maximum value of a quadratic equation of the form
is located on the vertex of the parabola:

Where 
In this case the equation is: 
Then

So:


Is Y the box in the triangle ??If so the value of y would be 90
<span>A conical tent of the given capacity (volume) has to be constructed.</span>
Answer:
Me!
I have a pet hermit crab, his name is Mr. Lady.