Abag of marbles has six brown marbles and nine red marbles. what fraction of the marbles are brown?

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

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square