HELP WITH GEOMETRY TEST QUESTION PLEASE

so the sides would have to be equal for all sides

2x-3=3x-8    -3=x-8    x=5

x-12, 4x-1, neither, or both?

2x-3=x-12       x-3=-12      x=-9

4x-1=3x-8      x-1=-8      x=-7

2x-3=4x-1      -3=2x-1    -4 = 2x    x=-2

3x-8=x-12       2x-8=-12     2x=-4    x=-2

So the answer is neither or C

78.59 is the mean

step-by-step explanation:

idk

step-by-step explanation: i just don't