Answer:
A
Step-by-step explanation:
It looks like M is composed of all real numbers and that U = R also means its composed of all real numbers. This means that M and U are equal and both are composed of all real numbers.
To define the complement of M, it includes all values which are not in M. However, since M already has all real numbers and U doesn't have any values that M doesn't then the complement is nothing. It is an empty set with no items in it. This means A is the correct answer.
 
        
             
        
        
        
Answer:y=8
Step-by-step explanation:
 
        
             
        
        
        
Answer:
<h2>         x =
 -5 - √15    or   x = -5 + √15</h2>
Step-by-step explanation:

 
        
             
        
        
        
Only letter a has an answer. Pls. see attachment.<em>
</em>
The probability that one cubic meter of discharge contains at least 8 organisms is 0.7798