Answer:
17. is 20 18. is 9hours 19. is 60mph
you get this by doing 100 divided by 5 which equals 20 360 divided by 40=9 and 420 divided by 7 =60
 
        
             
        
        
        
Answer:
x = -2
Step-by-step explanation:
2x + 1 + 3 = 0
2x + 4 = 0
x = -2
 
        
             
        
        
        
Answer:
Vertex: (3, 23)
Step-by-step explanation:
a = -1   b = 6   c = 14
x vertex = 


 
        
                    
             
        
        
        
Answer:
Sorry dude I am a grade 4 that’s too hard 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
x = 9. Based on the given conditions, formulate: x = 1 + 8 Cal...
Step-by-step explanation: