Answer: she forgot to multiply the radius by 2 in the formula .
Step-by-step explanation:
 
        
                    
             
        
        
        
58 is 50 plus 8. So its 50 and 8.That is for the first one.
        
             
        
        
        
Answer:
h = hamburgers sold
2h - 72 = 578
2h = 650
 2       2
h = 325
There were 72 fewer cheeseburgers sold than hamburgers. That means cheeseburgers = 325 - 72
325 - 72 =  253
253 = cheeseburgers
325 = hamburgers
253 + 325 = 578
Hamburgers = 325
Hope this helps :)
 
        
             
        
        
        
Answer:
1.125
Step-by-step explanation:
1. Area=2.7*1.5;
2. Area=h*3.6;
3. 2.7*1.5=3.6*h; ⇒ h=2.7*1.5/3.6=1.125 units
 
        
                    
             
        
        
        
Answer:
9^5×4^3
Step-by-step explanation:
 9 has to multiply itself 5 times and 4 has to multiply itself 3 times