Circle the fraction that is not in its simplest form .explain 9/21 7/18 3/25 or 12/13 im am not good at fractions.

9/21 is not in its simplest form. It's the only fraction that both the numerator and the denominator can be divided by the same number. In this case, 9/21 can be simplified to 3/7 by dividing the numerator and the denominator by 3. 

The american colonies would have been ruled by a king.

Yep u would so yeah