Answer:
 can't see that 
Step-by-step explanation:
 
        
             
        
        
        
0.8 = 8/10
simplified = 4/5 seconds
hope this helps
        
                    
             
        
        
        
Answer:
0, 3/4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
(2, -6)
Step-by-step explanation:
5n^2+20n-60
(5n+30)(n-2)
5n + 30 = 0
5n = -30
(5n = -30)/5
n = - 6
n - 2 = 0
n = 2
answer: (2, -6)
 
        
             
        
        
        
Answer: 4/1
Step-by-step explanation:
Rise over run. Starting at 1 on the y axis this line moves up 4 and over (right) 1 before it hits 1 on the x axis.