1. The costs of an egg per piece is 8 pesos and the amount to be paid.
A. The independent variable is the cost of an egg per piece and the dependent variable is the amount to be paid.
B. The independent variable is the amount to be paid and the dependent variable is the cost of an egg per piece.

2. The area of a square varies directly as the square of its side.
A. The independent variable is the area of a square and the dependent variable is the square of its side.
B. The independent variable is the square of its side and the dependent variable is the area of the square.

3. The fare of a bus varies directly on the zone distance run.
A. The independent variable is the fare and the dependent variable is the distance run.
B. The independent variable is the distance run and the dependent variable is the fare

4. m = 3n
A. The independent variable is n and the dependent variable is m
B. The independent variable is m and the dependent variable is n

5. w = s²+ 3s
A. The independent variable is w and the dependent variable is s
B. The independent variable is s and the dependent variable is w

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