You mean 2.5x10^10 time 3.5x10^7 . right ?
1. 135 ( corresponding angles)
2. 66 ( corresponding angles)
3. 118( alternative interior angles)
I do not get what the Question that you are asking is.
Because those are straight lines, the 46 degrees must be equal to the (2x - 4).
2x -4 = 46.
2x = 46 + 4
2x = 50
x = 50/2
x = 25.