49-28=21
51-32=19
23x7=161
14x5=70
        
                    
             
        
        
        
Answer:
12
Step-by-step explanation:
You need to multiply. Of is another word for saying MULTIPLY.
20% times 60 
equals 12
 
        
                    
             
        
        
        
Step-by-step explanation:
In July, it was positive 29 degrees, but in December it was negative 29 degrees. When you have 29-29 you get 0. Hope that helped 
 
        
                    
             
        
        
        
90-x because a complementary angle is =90 degrees.
        
             
        
        
        
20+2N=52
now subtract 20 from each side, to get 2N alone
2N=32
now divide each side by 2 
N=16