Answer:
x = 10
Step-by-step explanation:
Sum of all the angle of triangle = 180
71 + 50 + 6x - 1 = 180
71 + 50 -1 + 6x = 180
120 + 6x = 180
6x = 180 - 120
6x = 60
x = 60/6
x+20= 3x
-2x= -20
x= 10
median: 31.5, mode: 46.
If I read this right,
you put the numbers where the letters go
2 (8) (-4)
since they are in parenthesis, you multiply them.
= -64
oh shi sorry I wish I could help but I'm stupid