Please write a simplified algebraic expression to represent the perimeter of the rectangle.
P = 18a - 14b - 20
The lengths of two line segments are represented by (2a + 3b) and (5a - b). If the two line segments are lined up end to end, how long is the total length?
7a + 2b
The perimeter of the rectangle is 126 m. Determine the value of w.
w = 22 m
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