For each of the following scenarios write an expression to represent the quantity being described (the dependent quantity) in terms of the variable (representing the independent quantity) that is given.

(When answering these questions refer to and implement the 4 problem solving processes described above!)

1. A swimming pool that was partially drained has 250 gallons remaining in the pool when the owner begins filling the pool. Define an expression to represent the number of gallons of water in the pool in terms of the number of gallons,n
3. , that have flowed into the pool since the pool owner began to fill the pool.
5. Since every square has 4 sides that are equal in length, write an expression to determine (represent) the perimeter of a square in terms of the length (in inches) of the square's sides,s
7. .
9. When measuring the dimensions of a room a carpenter uses a tape measure that only displays a number of feet,L
11. , on the metal tape. (The carpenter's tape measure does not display inches).
12. Write an expression to determine the length of the room in units of 3 feet.
13. Write an expression to determine the length of the room in yards.
14. Write an expression to determine how many times as long the room is than 3 feet.