Which of the following can be used as "reasons" in a two-column proof?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !