A trapezoid is a quad that has exactly one pair of parallel sides
        
             
        
        
        
Answer:
Mike can stitch one shirt in 6 hours and in 1 hour he can stitch  (0.167) shirts.
 (0.167) shirts.
Step-by-step explanation:
Mike can stitch 7 shirts in 42 hours
to calculate the time that he takes to make 1 shirt, we have to divide 42 by 7.
He can stitch 1 shirt in =  = 6 hours
 = 6 hours
Now we calculate the work done in one hour.
He can stitch in 1 hour =  shirts or 0.167 shirts
  shirts or 0.167 shirts
Mike can stitch one shirt in 6 hours and in 1 hour he can stitch  shirts.
 shirts.
 
        
             
        
        
        
Answer:
x=-13/9
Step-by-step explanation:
8/9=x+7/3
8/9-7/3=x
8/9-(3)7/9=x
8/9-21/9=x
-13/9=x
I hope this helped. If you have any questions, please feel free to ask them. 
 
        
             
        
        
        
Answer:
.5
Step-by-step explanation: