Which statement best describes a situation in which opposite quantities combine to make zero?
a) Peter scored 2 goals in the first period of a hockey game and 2 goals in the second period.
b) Shawna made 8 cups of soup and divided the soup into 8 containers.
c )Melanie deposited $10 in her savings account and then withdrew $10 from the account.
d) Marcos missed 4 questions on a test in which each question was worth 4 points.