Answer :
[tex]x-\ measure\ of\ supplement\ angle\\\\
180=75+x\ \ \ | subtract\ 75\\\\
105=x\\\\
y-\ measure \ of\ complement\ angle\\\\
90=y+75\ \ \ | subtract\ 75\\\\
y=15\\\\Complement\ angle\ is\ 15^{\circ}\ and\ supplement\ 105^{\circ}[/tex]