Horizontal, it’s below a 1/2 slope.
The fisherman caught 365kg During El Niño. You subtract 540kg by 85.
Total angle for the pie chart = 360°
13 out of 60 = 13 / 60
Angle for it = 13 / 60 * 360 = 13 * 6 = 78°
Angle used = 78°
I think is
y = x - 1y = 3x - 9
y - y = x - 3x = -9
0 = - 2x = - 9