Fifty-three and two hundredths
*I could be wrong*
Answer:
x = 19
Step-by-step explanation:
The two angles with measures are supplementary.
6x + 9 + 4x - 19 = 180
10x - 10 = 180
10x = 190
x = 19
I would think that it would be A.... I am an expert but, only in 8th, so I would double check.