Free LCM Calculator determines the least common multiple (LCM) between 9 and 21 the smallest integer that is 63 that is divisible by both numbers. Least Common Multiple (LCM) of 9 and 21 is 63.
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Prime Factorization of 21.
3	21
7	7
1
        
             
        
        
        
Answer: 8 proposals per hour
Step-by-step explanation: 40/5 = 8
 
        
             
        
        
        
I think it's A because 35n is independent from the 50.
        
             
        
        
        
Answer:
15,700
Step-by-step explanation:
The formula is 3.14(r^2)h
Hope this helped :)