Answer:

Step-by-step explanation:
 
        
             
        
        
        
The value would be -35.357.
 
        
             
        
        
        
<h2>
Greetings!</h2>
Answer:
B and E
Step-by-step explanation:
The rules of indicies states:
 ÷
 ÷ =
 = 
So  ÷
 ÷   =
 =   =
 =   
 
So that means B is one of the correct answers.
To find the other correct value, you can divide the two fractions as stated in the question:
 by
 by  =
 = 
81 is equivalent to 3⁴
So that means E is also correct.
<h2>Hope this helps!</h2>
 
        
        
        
2.   I think the answer is 24
subracting the last 2 inequalities we get
6x + 7y <= 42
3x + 2y  <= 18    subtract:_-
3x + 5y <= 24