Answer:
Find the unit rate of each printing machine and compare.
Step-by-step explanation:
 
        
                    
             
        
        
        
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♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>
➷ Angles on a straight line equal 180 degrees:
5k - 3 + 9 + k = 180 
Simplify:
6k + 6 = 180
Subtract 6 from both sides:
6k = 174
Divide both sides by 6:
k = 29
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
↬ ʜᴀɴɴᴀʜ ♡
 
        
        
        
Answer:
a^2 + 2ab + b^2 - c^2
Step-by-step explanation:
When you multiply all the terms together you get a^2 + ab + ac + ab + b^2 + bc - ac - bc - c^2. Then you can just combine like terms and simplify it to a^2 + 2ab + b^2 - c^2. Hope this helps :)
 
        
             
        
        
        
Answer:
The answer is in the media.Good luck!
 
        
             
        
        
        
13 hours 
78.00 ÷ 6.00 equals 13 hours
6×13 equals 78