Answer:
x = 76
Step-by-step explanation:
The angles are same side interior angles and same side interior angles are supplementary, which means they add to 180
x+104 = 180
Subtract 104 from each side
x+104-104 = 180-104
x =76
The scale factor applied to the model is 8000. 8000 times one equals 8000
Using the quadratic equation we get:

Factoring out 2 we get

Factoring out the imaginary number:

So b.
I remember doing this one and its c