Multiply them together.
He or she would be correct.
I don't know if this is correct or not but I think it is 7(3c-5). Can someone tell me if that is correct or not; thank you
May I know who you are - would be the correct form.
The GCF ( greatest common factor) is 2 I know for a fact this is the correct answer Greatest common factor means the factor that goes (for example) 18 and 20, but the biggest.
they would know the correct formla
That is correct.
"I don't know where she is" would be more proper.
I knew you would love it
Yes, it is correct, though I think is would be more common to say "I know him by his works."
Age is one factor that I know about.