please help me i dont really understand these questions im giving out brainliest

Answer:
x = 63.5 degrees
Step-by-step explanation:
use sine:
sine = [tex]\frac{opposite}{hypotenuse}[/tex]
sine x = [tex]\frac{17}{19}[/tex]
sine x = 0.8947
sine-1 of 0.8947 = 63.4699
x = 63.4699
round to the nearest tenth:
x = 63.5