please i need 2-10 answers thank you

Question 2 1 pts a model The Active Record::Base class will allow any child class to operations on this to the database and automatically provides model. Question 7 1 pts A migration is a describing the changes you are going to make. Question 8 1 pts An important advantage of migrations is that you can manage them with_control. D Question 9 1 pts A migration is a two step process. First we need to the migration and then we need to the migration to the development environment. Question 10 1 pts When you are using a test suite like rspec or cucumber, you must also update the test database_whenever you have performed a migration