Hello!
∠GCE = 14° (corresponding angles)
∠GEC = 180° - 78° - 14° (sum of angles in a triangle)
∠GEC = 88°
4x + 88° = 180°
4x = 180° - 88°
4x = 92°
x = 23°
From what you said the choices go up by 3 every time in different combinations . Its at least 36 or more combinations .
i did my best guess from the choice .. hope it helps
Step 1
Given;

Required; Find the equation of a line that goes through the point ( 1,- 6 ) and is perpendicular to the line: y = (1 / 8)x - 9
Step 2
For perpendicular lines, the relationship between the slopes is;


The y-intercept is found thus;

Answer; The required equation will be;
Common ratio, is r=6/3=12/6=2
Answer: common ratio 2
First term a₁ = 3
nth term aₙ = a₁rⁿ⁻¹ = 3 (2ⁿ⁻¹)
13th term = 3(2¹²) = 12288
Answer: 13th term is 12,288