Answer:
a)6 hrs
b)faster
Step-by-step explanation:
a) 9*2/3=6
 
        
             
        
        
        
I believe it is the blue one but not 100% sure
        
                    
             
        
        
        
50lb = 117.50
1lb = 2.35 per pound 
        
             
        
        
        
Answer:
Y = 26
W = 73
X = 81
Step-by-step explanation:
∠W = 3∠Y - 5
∠X = ∠W + 8 = 3∠Y - 5 + 8 = 3∠Y + 3
∠Y + ∠W + ∠X = 180
substitute in the formula
Y + (3Y - 5) + (3Y + 3) = 180
7Y -2 = 180
7Y = 182
Y = 26
W = 3(26) - 5 = 73
X = 73 + 8 = 81
 
        
             
        
        
        
This is a pretty basic multiplication problem. 
If one box has 789 pieces of paper in it and there are 25 boxes, you will simply multiply 789 x 25
789 x 25 = 19,725.
This shows that there are 19,725 pieces of paper in the 25 boxes of paper.