From a group of 12 people, how many groups of 5 people can be chosen

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

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Which of the symbols correctly relates the two numbers below check all that apply 6? 6