5/27 in  simplest form because 20 flights out of 108 are linger than three hours, 20/108. Simplify 20/108 to get 5/27!
 
        
             
        
        
        
Answer:
some Equivalent expressions to 3(6m)+m is;
18m+m
6(3m)+m
2(9m)+m
19m
Step-by-step explanation:
 
        
             
        
        
        
Answer:

Step-by-step explanation:
The answer would be  because
 because  =
 = 
 
        
             
        
        
        
You are trying so solve 
<span><span>3^x</span>=8</span> 
and since 8 is not an integral power of x you need a calculator. 
it is <span><span>ln(8)/</span><span>ln(3)</span></span>
or 
<span><span><span>log(8)/</span><span>log(3)</span></span></span>
        
             
        
        
        
You need to a table of the standard normal cumulative distribution 
Here is one:
https://math.ucalgary.ca/files/math/normal_cdf.pdf
the closest value I see is 0.85