Answer:

Step-by-step explanation:

 
        
             
        
        
        
Answer: 4 and 7.5 you multiply them
Step-by-step explanation:
 
        
             
        
        
        
Answer:
(2, -4).
Step-by-step explanation:
x^2 - 4x
= (x - 2)^2 - 4.
So the vertex is at
(2, -4).
 
        
                    
             
        
        
            
            
                93, 94, 95, 89, 85, 82, 87, 85, 84, 80, 78, 78, 84, 87, 90. 
                artcher [175]             
         
        
Answer:
86 is the mean and the median is 85
Step-by-step explanation:
To calculate the mean all u gotta do is add all the numbers then divide by how many numbers there is and to calculate the median all u gotta do is put them in order 78-95 then mark 1 on each side til you reach the middle and the number in the middle is the answer. 
 
        
                    
             
        
        
        
The answer is b. 9pi because 3^2xpi=9pi.