1. The statement ABC DEF is true. Which of the
following statements must be true?

Step-by-step explanation:

what i do is i go on what the end number should be which mean then i go though and figure out what number to use to get the end number now if there is no end number just use Xeveryone uses X

inside joke: ( i mean math need to stop having us find his x, dude i mean come on we all know they dont come back)