The expression that can be used is 3.14 (6x4+6^2)
The surface area is 188.4
        
                    
             
        
        
        
Answer:
17
Step-by-step explanation:
- 38 - 21 = 17
- 21 - 4 = 17
- The difference between each pair of numbers above is 17, so that is the common difference.
I hope this helps!
 
        
                    
             
        
        
        
Answer:
i think 2. is :   1and 3. is
Step-by-step explanation:
 
        
             
        
        
        
<span>8/5 = 1.6 bag per minute
8 bags of skittles in 5 minutes
?                              10 minutes
8 x 10 / 5 
= 80 /5
= 16
answer
</span>1.6 bag per minute
<span>and
16 bags in 10 minutes</span>