Answer:
1/2 (40×60)
Step-by-step explanation:
area of kite = 1/2 × diagonal 1 × diagonal 2
 
        
             
        
        
        
Answer:
5
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
a= -20
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Less than:  1/4, 1/8, 1/16,...
Greater than: 5/8, 3/4, 1,...
Hope this helps :)
 
        
             
        
        
        
7a+21=56
Begin by subtracting 21 on both sides:
21-21=0 so the 21 in the left cancels, then 56-21=35
Your new equation will be
7a=35
Finally, divide by 7 on both sides:
7/7=1 and 35/7=5
your answer will be 
a=5