Answer:
Independent variable is A.
Dependent variable is B.
The equation that can be used to represent the relationship is B. F=20c
Step-by-step explanation:
To answer the question, the independent variable is A. Number of friends (f). Because we know the cost is $20. And the dependent variable is B. because we know the cost so that's the dependent variable. The equation that can be used to represent this relationship is B. F=20c because we need to know how many friends are gonna be at Hank's party.