Which of the following situations involve opposite quantities combining to make 0?
·Krista has a new piggy bank. She adds 3 quarters on Tuesday, and then adds another 3 quarters on Thursday.
·Carlyns opens a new checking account with $30. His first purchase, made with his new debit card, totals $28.
·Bekzod makes 1.5 liters of lemonade and drinks it all during the afternoon.
·Daisy is writing a novel. She wrote 4 new pages to finish Chapter 1. When she reviews Chapter 1, she discards these 4 pages and an additional 4 pages.