A cash card has a starting value of $25. If the card is not used within the first year of its purchase, the value on the card begins to decrease by $2.50 per month.

The relationship between the number of months after the first year and the amount remaining on the card is ______
The independent variable is the ______
The dependent variable is the ________

blank 1:
continuous
discrete

blank 2: amount remaining on the card
number of months after the first year

blank 3:
amount remaining on the card
number of months after the first year