Answer:
the tengo una amiga is like too much first you are talking about the math class and then you just go to your friend, the friend part is like unnecessary and it doesn't have enough information i dont knowhow to explain it but is kinda dry.
You could also make it informal singular, and say “Wie heißt du?”
Präsens (present)
ich lache
du lachst
er lacht
wir lachen
ihr lacht
sie lachen
Answer:
Entschuldigung, aber ich weiß jetzt nicht, was das sagt
Explanation: