Answer:
1  2/21
Step-by-step explanation:
2/3 + 3/7
 14/21+ 9/21= 23/21
 
        
             
        
        
        
Is this a trick question? They're both a pound. 
        
             
        
        
        
Answer:
2500pi^2 units
Step-by-step explanation:
Circumference = pi * diameter
Circumference = pi * 100
Radius = diameter/2
Radius = 50
Area = pi * radius^2
Area = pi * 50^2
Area = pi * 2500
Area = 2500pi^2 units