PLS ANSWER ASAP!! Person with correct answer will be marked brainliest

Answer:
B
Step-by-step explanation:
The 3 angles (6x + 2), 40, 90 lie on s straight line and sum to 180° , that is
6x + 2 + 40 + 90 = 180
6x + 132 = 180 ( subtract 132 from both sides )
6x = 48 ( divide both sides by 6 )
x = 8 → B