Answer:
24°
Step-by-step explanation:
x + 9° + 147° = 180° ( being linear pair)
x = 180° - 156°
x = 24°
Answer:
Step-by-step explanation:
Answer:
1.) 
2.) 
Step-by-step explanation:
1.) 
2.) 

Answer:
with what?
Step-by-step explanation:
<span>[2(3+5)-2(4+1)]5
=</span><span>[2(8)-2(5)]5
=</span><span>[16-10]5
=6*5
=30</span>