Answer:
I guess they subtracted a 110 from -110 instead of subtracting from 360
Answer:
80 degrees
Step-by-step explanation:
the sides add upp to 180 degrees so 180-70-30=80
The last bc the + and - are different that means it will be subtracted.
Answer:
The sample is the amount of people because not everyone is getting chosen
Step-by-step explanation:
The answer is D, because the others can be solved. A when factored is equal to -3, when B is factored it is equal to 3,-1, when C is factored it is 1,-4. D can be solved but you will only get irrational numbers which can't be used.