Answer:
160
Step-by-step explanation:
13² - 3² = 13 × 13 - 3 × 3 = 169 - 9 = 160
 
        
             
        
        
        
10 1/2 x 2 2/3= 28, 3 1/3 x 4 2/7= 14.2857142857, 7/2 - 4/5= 2.7
        
             
        
        
        
Answer:
what is z 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Do you mean by standing together?
Step-by-step explanation: