Question

PLZZ HELP ITS FAST AND EASY

To express that you "know" something, what expression will you use in Spanish?

responder a preguntas

hacer la tarea

sacar buenas notas

saber

Answer 1

The correct answer is saber, to know

Answer 2

The answer is Saber. Sacar buenas notas means to get good grades, or score well. Responder as preguntas means that you answer questions.
Hope this helps!