Volume coefficient according to charle's law is

Question

$\begin {array} {1 1}(a)\;Change\; in \;Volume\; of\; gas\; for\; each\; 1^{\large\circ} \;rise\; in\; temperature\\(b)\;3.661\times10^{-3}C^{-1}\\(c)\;\large\frac{V-V_{\large\circ}}{tV_{\large\circ}}\\(d)\;Either \;of\; these \end {array}$