There are so many relationships between the original entity and new relation.
The relation mapped from an entity involved in a 1:1 unary relationship contains a foreign key that correspond to its own primary key. 1 to one foreign key will be unique.
A would be the correct answer hope this helps
Answer:
3,6,9,12
Step-by-step explanation:
Add 3 to every number after 3.
They stayed at the beach for 7 days. 4 x 3 = 12. 12 - 5 = 7
Three plus the product of four times twelve