The singular form is: mi hermana es bonita
the plural form is : mis hermanas son bonitas
A wedge is a simple machine that consists of two inclined planes, giving it a thin end and thick end. ... A wedge makes work easier by increasing the force applied to the object, although it applies the force over a shorter distance. This gives the wedge a mechanical advantage greater than 1.
It is programador because the sentence tell that "I study computer science so what i be" so it should be programador
