Answer:
Problem 2: k = 3
Problem 4: NO SOLUTION
Step-by-step explanation:
Problem 2 work: 
-4/3(12k + 27) = -57 - 9k
-16k - 36 = -57 - 9k    -ADD THE -9k TO ITSELF AND TO -16k-
-7k - 36 = -57     -ADD THE -36 TO ITSELF AND -57-
-7k = -21
<u><em>k = 3</em></u>
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Problem 4 work:
5/2(6w - 16) = 18w -(3w + 40)
15w - 40 = 18w - 3w - 40    -ADD THE -3w TO THE 18w-
15w - 40 = 15w - 40
NO SOLUTION BECAUSE BOTH SIDES ARE THE SAME
 
        
                    
             
        
        
        
Answer:
 
B 
Step-by-step explanation:
(6)^1/2 × (8)^1/2
6^1/2 × 2 (2)^1/2
4 (3)^1/2
 
        
             
        
        
        
Answer:
I got (8, 18) for the other endpoint.
Hopefully this helps!
 
        
             
        
        
        
Answer:
13.43$
Step-by-step explanation: just subtract 20-6.57
hint hint u can also use  a calculatr
 
        
                    
             
        
        
        
Answer:
hold on i think ik this
Step-by-step explanation: