Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find x
The theorem that applies to this question is the theorem of external angles. And it translates to:

Collect Like Terms



Divide through by 6



Answer: x intercept is -1 and x=2
Step-by-step explanation:
6-2=4
-1-0=0
(0,4)
The answer is A ,because 18 divided by 2 is 9 then subtract that from the sum of 22 and 9 which is 31. Hope this helps!