Answer:
220
Step-by-step explanation:
40 x 8 = 320, and 10 squared is 100. 320 - 100 = 220.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
= 2k - x
Given that k = 9, x = 5
= 2(9) - 5
= 18 - 5
= 13
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope his helped!
<h3>~AH1807</h3>
 
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
area = ( base 1 + base 2 ) ÷ 2 x height
50 = ( 10 + 15) ÷2 x height
50 ÷ 12.5 = height
height = 4
 
        
             
        
        
        
Answer:
4 raised to 4 is 256
Step-by-step explanation: