Considering the following database schema: Person (name, age, gender ) Frequents (name, pizzeria), Eats (name, pizza ), Serves (pizzeria, pizza, price ) write the Relational Algebra expression to: 6. [4 points] Find the name and price of all pizzerias that serve pepperoni pizza. 7. [4 points) Find the names of all persons who eat supreme pizza 8. [6 points) Find the names of all emales who eat either mushroom or pepperoni piza (or both). 9. [6 points) Find all pizzerias that serve at least one pizza that Amy eats for less than $10 Considering the database instance called Pizza Database what is the resulting relation from each of the given Relational Algebra expression: 10, [5 points] pizzeria "Staw Hat" (Serves) 11. [5 points] {pizzeria) (Serves) 121,5 points] {name, age, pizzeria)(a,ge> 25 (Person)JA Frequents)