Answer:
   (5, 4)
Step-by-step explanation:
The equation can be written in vertex form by adding and subtracting 25:
   y = -(x^2 -10x +25) -21 +25
   y = -(x -5)^2 +4
Then the vertex can be identified as (5, 4).
 
        
             
        
        
        
The answer is A
Domain: (0, infinity)
Range: ( - infinity, infinity)
        
                    
             
        
        
        
Answer:
=36
Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
B) -4
Step-by-step explanation:
m= (0 - (-4)) / (2 - 0) = 4 / 2 = 2
f(2) = 2 * 2 + b = 0
f(0) = 2 * 0 + b = -4
b = -4 
 
        
             
        
        
        
Answer:
40 yd
Step-by-step explanation:
Rectangular prism formula:
A = lwh
A = (2)(4)(5)
A = 40