Answer:
6,-3
Step-by-step explanation:
 
        
                    
             
        
        
        
12/15,7/25,3/7,3/5 should be correct because this is what my teacher taught me in fourth grade.
 
        
                    
             
        
        
        
Answer:
7x-y=-4
Step-by-step explanation:
Let me know if this right please :(
Hope it was is helpful for you :)
 
        
             
        
        
        
Answer:
37
Step-by-step explanation:
6th square number is 6 and 6² = 36
first cubed number is 1 and 1³ = 1
36+1=37