He worked 9 hours in his first job and 5 hours in his second
        
                    
             
        
        
        
Answer:
qw567
Step-by-step explanation:
 
        
             
        
        
        
First, you would have to do 11x + 3x Since you're combining like terms.
Now your problem is 14x + 40 = -24
Now you would do 40 - -24 which is now 40+24 and equal to 64. 
Now you divide 14 by 64 and you get 4.5
        
                    
             
        
        
        
Answer:
           10x - 5 / 4
Step-by-step explanation:
         15 - ( -10x ) - 20 / ( 12 + ( -8 ) )
       = ( -5 ) + 10x / ( 4 )
       = 10x - 5 / 4
<em>Hope it helps</em>
<em>:D</em>
 
        
             
        
        
        
Answer:
   5.61×10^8 ton/day
Step-by-step explanation:
   (2.08×10^5 ft³/s)·(8.64×10^4 s/day)·(6.24×10^1 lb/ft³)/(2×10^3 lb/ton)
   = (2.08·8.64·6.24/2)×10^(5+4+1-3) ton/day
   ≈ 56.07×10^7 ton/day
   ≈ 5.61×10^8 ton/day
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We have expressed the answer using 3 significant digits, to match the precision of the rate and weight.