Answer:
y = 10
Step-by-step explanation:
<u>Since all sides are equal, that means all angles are 60 degrees. 60 + 60 + 60 = 180</u>
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5y + 10 - 10 = 60 - 10
5y / 5 = 50 / 5
y = 10
Answer:  y = 10
 
        
             
        
        
        
First term:  -9
Common difference:  7
a(n) = -9 + 7(n-1), for n = {1, 2, 3, ... }
Check:  what is the first term?  let n=1.   Then a(1) = -9 + 7(1-1) = -9.  
This is correct.
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
500(x - 3) =5000
x - 3 = 5000/500
x - 3 = 10
x = 10 + 3
x = 13
 
        
             
        
        
        
Answer: it’s not an even number it 6.6 repeating so if round up and say 7 bags 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:545 baseball cards
Step-by-step explanation:hope this helps!