Step-by-step explanation:


I think this is correct and what you wanted
Answer: is 5.2
Step-by-step explanation:
you add 8+1+5+0+12 and you then divide it by 5 and you get 5.2

Just simplify the 5/20 and keep the negative
Answer:
The fourth opition!
Step-by-step explanation:
180-2(72)=x. The reason being it says TWO angels of 72 and if you times that by two and subtract by 180 youll get the missing angle!!