WILL GIVE THE BRAINLEST
PLZ HELP WITH 5, 6, 7
SHOW WORK

5)m<4=13°[being vertically opposite angle)
6)m<2+<3=180°(Being straight angle)
or,m<2=180°-110°
m<2=70°
7)m<1+m<4=180°[being straight angle]
or,m<1=180°-65°
m<1= 115°