Answer:
1530cm
Step-by-step explanation:
First figure      (9x10)x9=810
Second figure (18x10)x4=720
720+810=1530
 
        
             
        
        
        
The answer is associative property of multiplication
        
                    
             
        
        
        
Answer:
55 hun...
Step-by-step explanation:
a straight line is equal to 180 degrees, 180-125=55!  :)  hope this helps
 
        
                    
             
        
        
        
Answer:

Putting the value of x of coordinate point (12,-2)
where x= 12
y= 5×12/6 -12
  = 5(2)-12
  =10-12 = -2
option D