A = 1/2h(b1 + b2)
2A = h(b1 + b2)
2A/h = b1 + b2
b1 = 2A/h - b2
        
             
        
        
        
They cost less because there are more items in stock meaning that there isn't a limit here is another way of thinking if there are less Items then they can charge you more per item because they know you are gonna want it but if there are tons of that one item they there kinda like eh then you think oh I can live without that....... Hope this helps
        
                    
             
        
        
        
Answer:
the third one
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
satingin ko po at B I not sure
Step-by-step explanation:
 i hope it help