Want this question answered?
Please arrive punctually.
I was only trying to please you.
Yes it is
i am thrilled
Put a clamp on that, please.
If it was rewritten as:"My friend's cousin at my school is the new chemistry teacher."or"My schoolfriend's cousin is my chemistry teacher"the subject would appear to be the friend's cousin as it is mentioned first, but since the original sentence starts with "The chemistry teacher" it is probably that. However , the context is unknown.
Jordan slept on sofa
I devote my life to my work.
Satisfaction is a well thought out answer.
It is a simple statement.
cousin
This sentence is a command/request and doesn't have a subject. The subject - you - is implied