Object a: 
perimeter is all the sides added together! 
9+9=18
4.1+4.1= 8.2
18+8.2=36.2
object A’s perimeter is 36.2 CM
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object b: 
7.2+3+ 3.6= 13.8
object B’s perimeter is 13.8 CM
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hope this helped! xoxo
        
             
        
        
        
I hope this helps you 
Janice 2 3/4= 2.4+3/4=11/4
40.11/4-40=110-40=70kg janice
Terry 40 kg
40+70=110
        
             
        
        
        
Don’t worry I’m not going to scam you just give me more details about the question and I’ll do it for you
        
                    
             
        
        
        
Since the two cylinders are congruent, it means that their dimensions are exactly the same thing.
In other words, the radius of cylinder 1 is the same as that of cylinder 2, and the height of cylinder 2 is the same as that of cylinder 1. This is what it means for two solid shapes to be congruent.
Now, to find the volume of cylinder 2, we apply the frmula for the volume of a tyical cylnder:

Now, 
radius of cylinder 2 = radius of cylinder 1 = 3
height of cylinder 2 = 8
Thus: r = 3, h= 8
Therefore:

Therefore the volume of cylinder 2 is 72pi cubic units (Option D)
 
        
             
        
        
        
To model this situation, we are going to use the standard linear function: 

.
1. Since S represent the total amount of money in the savings account, 

. We also know that each week she adds $40 to her account, so the slope of our linear equation will be 

; therefore, 

. Since she started her account with $750, 

. 
Lets replace those values in our linear function:

 We can conclude that equation that models this situation is:
We can conclude that equation that models this situation is:  2.
2. Now to find the total amount after 16 weeks, we just need to replace 

 with 16 in our equation and simplify:


 We can conclude that the amount of money in her account after 16 weeks is $1390
We can conclude that the amount of money in her account after 16 weeks is $1390