Answer:
1 pair is $20. 3 pairs is $60. 4 pairs is $80. 5 pairs is $100. Please don't delete my answer, I am only trying to help.
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
(21²+10²)½ = 23.25= 23.3
 
        
             
        
        
        
Answer:
x = -27/40 or -0.675
Step-by-step explanation:
hope this helps
 
        
             
        
        
        
Answer:
Step-by-step explanation:
91 natural numbers are there between the square of 45 and 46.
 
        
                    
             
        
        
        
Answer:
Yes, because (-1,2) is a solution to both inequalities
Step-by-step explanation:
2>-1 so the first inequality is correct
-1+2>0 so the second inequality is correct