Answer:
42mm
Step-by-step explanation:
For the perimeter of a shape you would add all the sides together. So in this case it would be:
7mm+7mm+7mm+7mm+7mm+7mm=42mm
 
        
                    
             
        
        
        
 Answer:
15 1/3 envelopes in 1 minutes
Step-by-step explanation:
Take the number of envelopes and divide by the number of minutes
460 envelopes / 30 minutes
15.333333.... envelopes per minute
15 1/3 envelopes in 1 minutes
 
        
             
        
        
        
Answer:
x = 8
y = -7
Step-by-step explanation:
 3y - 5x = -61
 -----------------------+
 -9x = -72
 x = 8
 3y -5(8) = -61
 3y - 40 = -61
 3y = -21
 y = -7
 
        
             
        
        
        
Answer:
3,2,6
Step-by-step explanation:
if you divide 10,398 by all numbers 3,2 and 6 have whole numbers:)
 
        
                    
             
        
        
        
So, since she weights 6 times more on earth, say for every lb on the moon  is 6lbs on earth then.
now, if 1lb on the moon is 6lbs on earth, how much is 90 earth lbs on the moon?
