Perimeter = (length+width) x 2
Let w units be the width of the rectangle.
Length of the rectangle = 2w
Perimeter:
(2w+w) x 2 = 60
(3w)2 = 60
6w = 60
w = 10
Area:
2(10) x 10
= 20 x 10
= 200 units 
        
             
        
        
        
1) 0.48 3     2) 7/8     3) 7 1/8
        
             
        
        
        
Answer:
36 + 16 √3
Explanation!
You would first need to simply the radical by breaking the radicand up into a product of known factors!
So the answer would be 36 + 16 √3
If you want decimal form here you go! :)
63.7128129211
Hope this helps you out!
 
        
             
        
        
        
63 = 9k 
divide by 9 on each side to get k by itself 
k = 7
        
             
        
        
        
Answer:
he score is 2.15 standard deviations above the mean.
Step-by-step explanation: