Answer:
x = 16
Step-by-step explanation:
(5x + 12)° + (6x - 8)° = 180°
(5x + 12 + 6x - 8)° = 180°
(11x + 4)° = 180°
11x + 4 = 180
11x = 180- 4
11x = 176
x = 176/11
x = 16
17.89, is this an option?
The given 3rd option is the viable answer.
If we factorize the expression

We will get

Hope I helped!
Answer:
y= -3/2x + 4
Step-by-step explanation:
hope this helps :)