A postulate isn't required to be proven
        
             
        
        
        
Answer:
652997
Step-by-step explanation:
1.23*18=22.14
22.14*29,494=652997.16
round it down to get 652997
 
        
             
        
        
        
Answer:
10
Step-by-step explanation:
I assume it's a rectangle, therefore:
P = 50
a = 15 ft
b = ?
P = 2a + 2b
50 = 2 * 15 + 2b
50 = 30 + 2b
2b = 50 - 30
2b = 20
b = 10
 
        
             
        
        
        
24 pens divided by 2 boxes equals 12 pens per box.
        
             
        
        
        
The unit rate is 5/1
15/3=5
3/3=1