65°
Step-by-step explanation:
<3 + <6 = 180 because they are same side interior angles
115 + <6 = 180
Subtract 115 from each side
115-115 +<6 = 180 -115
<6 = 65
-7/8
step-by-step explanation:
instead of subtracting you add the -6/8 and -1/8