Answer:
x=9
Step-by-step explanation:
5) D
180- 65-70 = 45
3x+9=45
3x= 45-9
x=36/3=12
6)D
180-69-73=38
x+46 = 38
x= 38-46 = -8
7) A
180-24-132=24 (becasuse vertical angles are congruent)
3x=24
x=24/3=8
