99-21=78
Answer:The floor lamp costs $78
        
                    
             
        
        
        
The area of the circle should be 201.06
        
             
        
        
        
Answer:
729
Step-by-step explanation:
Each side of the cube measures 9cm
The volume of a cube is V^3
Therefore the volume can be calculated as follows
= 9^3
= 729
Hence the volume is 729
 
        
             
        
        
        
Answer:
187.5
Step-by-step explanation: