Answer:
-1
Step-by-step explanation:
Answer:
Because they are parallel:
Angles 1,3,5 and 7=125
180-125=55
Angles 2,4, 6 and 8=55
Hope this helps!
Answer:
10%
Step-by-step explanation:
774+86=860
86/860=d/100
860d=8600
8600÷860=10
Hope this helps
15, 18, 21
i don't know the other one, sorry