For $H_{2}O,$ determine the specified property at the indicated state.

$($b$)p=30$MPa,$T=200C.$ Find $v,$ in $\frac{m^3}{k}g.$

$($c$)p=10$MPa,$T=450C.$ Find $v,$ in $\frac{m^3}{k}g.$

$($d$)T=80C,x=0\mathrm{.}2.$ Find $p,$ in bar, and $v,$ in $\frac{m^3}{k}g.$

Please give an explaination for how steam tables are used to find the solutions when solving this