3. Your expenses that change month to month are called?

Variable expenses

Step-by-step explanation:

There are 4 types of expenses

-Variable Expenses:  Expenses that vary from month to month.

-Fixed Expenses: Expenses that remain the same from month to month.

-Intermittent Expenses: Expenses that occur at various times throughout the year and tend to be in large amounts.

Discretionary Expenses: Expenses for things we don't need

answer: i think it is (1,-2)

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant