Pamela’s dad is building a case for a swimming trophies the trough the number of trophies will determine on how many shelves the case will have identified that dependent variable and put one of the dependent variables is the one is the number of shelves in foot two if the dependent variable is the number of trophies

The dependent variable in this case is the number of shelves in the case, as it depends on the number of swimming trophies that Pamela's dad has to display.