PLSSS help !!! find n AND m no need to show work

Answer:
[tex]m=38^{\circ},n=26^{\circ}[/tex]
Step-by-step explanation:
[tex]180^{\circ}-128^{\circ}=52^{\circ}\\m=180^{\circ}-90^{\circ}-52^{\circ}=38^{\circ}[/tex]
[tex]180^{\circ}-128^{\circ}=52^{\circ}\\n=52^{\circ}\div{2}=26^{\circ}[/tex]