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1. Find an expression for the perimeter:

The perimeter of any 2-d, closed shape is the total of all of the side lengths added up.

That is b + c + b - 2 + c - b, which is equal to b + 2c - 2.

2. Find perimeter when b = 11 and c = 16

Simply plug in the numbers to our new expression.

11 + 2(16) - 2, which is 41 inches.

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.