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**salam** Hi

1. Write an expression for the perimeter of a regular pentagon with side length (y-2) units?

Mr F asks: Do you know what a pentagon is? Do you know what's special about a **regular** pentagon? Do you know what perimeter is?

what would be the expression for number 1

2. A log 30 meters long has 6 sections of m meters cut from it. How much wood remains?

Mr F asks: How much wood has been cut from it altogether? How much wood was there to start with? Therefore .....

what do i have to do here?