Find the hexadecimal equivalent for each of the following values. Use the $\text{'}0x^{\text{'}}$ prefix from $C$ language to identify your result rather than a subscript.

a$.{01}_2=?$

b ${1001}_2=?$

c$.151=?$

d $1101\mathrm{.}1110{\mathrm{.}0110}_2=?$