Go to m-a-t-h-w-a-y they give you the answer. But only do it when absolutely necessary. Hope this helps!
 
        
             
        
        
        
I believe the answer would be 
7.4 - 5g + 4k
        
             
        
        
        
Answer:
1/2+1.5 
I think. I'm sorry if I'm wrong
Step-by-step explanation:
 
        
             
        
        
        
The answer is 100 m below sea level
        
             
        
        
        
Answer:
$42.40
Step-by-step explanation:
The horizontal axis is in fractions.
The three lightest are two   pounds & one
 pounds & one   pounds. Each cost $4.40 per pound.
 pounds. Each cost $4.40 per pound.
So cost = 4.40(5/8+5/8+6/8) = $8.8
Remaining costs 4.80 per pound. We add up the remaining and multiply by 4.80 to get their cost.
cost = 
Hence, total cost  =  8.8 + 33.6 = $42.40