In which of these situations do the quantities combine to make 0? O A. A bird flies 25 feet up in the air. It then flies 25 feet across to its
nest.
O B. Veronica receives $21 for babysitting. She then spends $21 on a
new shirt.
O C. A player in a game earns 4 points for getting an answer right. She
then earns 4 points for making it around the board,
O D. A car is filled with 10 gallons of gas, Half of the 10 gallons are
then used on a day's drive.