C. 1
It's because 2/3 is equal to 0.6666667
1 is the only greater than that since they're all negative options
X's cancel 5y = 20 y= 4 X=0
ET is tangent to circle A so ET is perpendicular to AT
So <ATE = 90°
Given <TNG = 35°
<NET = <ATE - <TNG
= 90° - 35°
= 55°
Answer is 55°
