A and B in algebra stand for any variables of real numbers. A real number is a value of a continuous quantity that can represent a distance along a line. So if you see A and B in doing your algebra it is just a representation of a value that you need to find.
13. El baila
14. El camina
15. Nosotros bailamos
16.ustedes leen
17. Nosotros escuchamos
18. Yo abro
19. Ella cena
20. Usted camina
21. Yo escucho
22. Tú caminas
She doesn’t mention shaving her legs.
