Four particles are located at points (1,1), (2,3), (3,1), (4,4).

Find the moments $M_x$ and $M_y$ and the center of mass of the system, assuming that the particles have equal mass m.

$M_x=$
$M_y=$
$x_{CM}=$
$y_{CM}=$

Find the center of mass of the system, assuming the particles have mass 3, 2, 5, and 7, respectively.

$x_{CM}=$
$y_{CM}=$