The area of the sector is 472.6 ft²
<h3>Area of a Sector</h3>
For finding the area of the sector, you need apply the formula:
 , where:
, where:
r= radius
α= central angle 
The question gives:
r= radius= 19 ft
α= central angle = 150°
Thus, the area of the sector will be:

Read more about the area of a sector here:
brainly.com/question/22972014
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7 = 2n - 2
n= a number so twice a number is 2n and 7 is 2 less than twice this number.
        
             
        
        
        
You can try 4 x 6 = 24 so you can have 4 team mates of 6 groups ? is that what your asking