Deposit or Withdraw
You get your paycheck for two weeks of work, do you deposit (+) OR withdrawl ( - )?
Deposit (add money to your bank account)
Add or Subtract? You need to pay sales tax.
Subtract from the total amount of money.
You get your monthly water bill in the mailbox. Deposit money or withdraw money?
Withdraw. You need to give the water company your money for their services.