Step-by-step explanation:
h2 - g
Putting values 
(4)2 - 32 
8 - 32 
= - 24
 
        
             
        
        
        
Answer:
>
Step-by-step explanation:
-3+7= 4
-10-2= -12
4> -12
 
        
             
        
        
        
Answer:
x = 3.6
Step-by-step explanation:
By the Postulate of intersecting chords inside a circle. 

 
        
             
        
        
        
total distance travelled=72+69=141
time taken in hours for journey= (48/60)h + (69/60)= 1.95 h
average speed=141km/1.95h= 72.3km/h (3 sf)
 
        
                    
             
        
        
        
Answer:
22.05
Step-by-step explanation: