Simplify {3⅓+2⅓} {3⅔.2⅓+2⅔}

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

This is about circle theorems. someone asap : (