Which of the following mathematical statements are true 28:0=0 28+0=0 28-0=0

None of them are true, because

28:0 = infinity

28+0=28, because if you have 28 apples and add 0 apples is still 28 apples

28-0=28 because if you have 28 apples and take out 0 apples there will still be 28 apples left