WeBWorK Standalone Renderer

Point-masses $m_i$ are located on the $x$ -axis as follows. Answer the following questions.

Point-mass	mass $m_i$	position $x_i$
$m_1$	$25$	$5$
$m_2$	$40$	$8$
$m_3$	$25$	$0.5$
$m_4$	$45$	$-7$

1. Find the moment $M$ of the system.
Answer: $M =$

2. Find the center of mass $\overline{x}$ of the system.
Answer: $\overline{x} =$

You can earn partial credit on this problem.