a$)(4$ marks$)$: Determine the off$-$axis modulus $E_x$ for a single layer of carbon$/$epoxy where the fibers make an angle of $20$ with the $x$ axis.

b$)4$ marks$)$: Determine the off$-$axis coefficient of thermal expansion $a_{xy}$ for a single layer of carbon$/$epoxy where fibers make an angle of $20$ with the $x$ axis.

c$)2$ marks: Determine the off$-$axis coefficient of moisture absorption $b_y$ for a single layer of carbon$/$epoxy where fibers make an angle of $20$ with the x axis.