In physics lab, you measure three quantities: $x,y,$ and $z.$ Suppose that $x=2\mathrm{.}3kg,y=0\mathrm{.}7m,$ and $z=4\mathrm{.}3k\frac{g}{m}.$

Classify each mathematical expression containing these quantities as either being possibly meaningful or not meaningful.

Possiblv meaningful

Not meaningful

Answer Bank

$(\frac{x}{z})-y$

$\frac{(x-y)}{z}$

$\frac{xy}{z}$