Posted by **aisha** on Tuesday, April 23, 2013 at 11:28am.

i have a test tomorrow and im still not sure how to do this. can you please help me?

p={a,b,c}

Q={a,c,d,f}

Q-P=?

- math -
**Steve**, Tuesday, April 23, 2013 at 2:48pm
Q-P is members of Q which are not members of P, so

Q-P = {d,f}

- math -
**aisha**, Wednesday, April 24, 2013 at 11:27am
Thankyou steve :)

but what about the 'b'?

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