Consider the volume$-$pressure data for a sample of carbon dioxide gas at $0C$ :

$\backslash$table$[[$Volume $($mL$),$Pressure $($torr$)],[42\mathrm{.}6,400],[34\mathrm{.}1,500],[28\mathrm{.}4,600],[24\mathrm{.}3,700],[21\mathrm{.}3,800],[18\mathrm{.}9,900],[17\mathrm{.}0,1000],[15\mathrm{.}5,1100],[14\mathrm{.}2,1200]]$

a$)$ Plot volume versus $\frac{1}{?}$ pressure $($reciprocal pressure$).$ This graph must be done by hand on graph paper.

b$)$ Using the graph, determine the volumes of the gas at the following pressures:

$760$ torr, $940$ torr, $1150$ torr