I have no idea what did he do
Answer:
vertical angle s
Step-by-step explanation:
cause the form a 180º angel
Answer:
15
Step-by-step explanation:because u add them all up
49 = -7 (t + 1)
49 = -7t + 7
-7 -7
42 = -7t
÷ -7 ÷ -7
-6 = t
t = -7
Answer:
4?
Step-by-step explanation:
I'm not sure though. Guess if you have to.