Answer:
0.125
Step-by-step explanation:
divide the volume value by 8
 
        
                    
             
        
        
        
Answer:
A(-2,0) B(-4,0) C(-5,2) D(-1,2)
Step-by-step explanation:
 
        
             
        
        
        
0.8 squares shaded out of 10 
You just do 4x2 which is 8 
Then add the 0. In front of 8
Easy as that
        
             
        
        
        
Answer:
42.25 feet
Step-by-step explanation:
The height function is a parabola.  The maximum value of a negative parabola is at the vertex, which can be found with:
x = -b/2a
where a and b are the coefficients in y = ax² + bx + c.
Here, we have y = -16t² + 52t.  So a = -16 and b = 52.  The vertex is at:
t = -52 / (2×-16)
t = 13/8
Evaluating the function:
h(13/8) = -16(13/8)² + 52(13/8)
h(13/8) = -169/4 + 169/2
h(13/8) = 169/4
h(13/8) = 42.25