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.
Thanks for the free points
Sales is the correct form.
sale - el/ella/usted
sales - tú
salgo - yo
saleis - vosotros
Si con mucho gusto en q necesitas ayuda
It is Estas.....................
