I took it, I find it interesting but pretty difficult, It all depends on who you are asking though. :)
Answer:
I am an Aquarian and my least favourite zodiac is Leo...
Answer:
The magnetic field of the earth was discovered by Carl Friedrich Gauss in 1835.
5x-y=7
-y=-5x+7
y=5x-7
f(x)=5x-7
Answer:
the 3rd one (I am not sure but ya)
