4.5000000 I think this the answer
They can all be right because it depends on what deals they are looking at
180 - 101 = 79
Supplementary mean that the two angle measures add up to equal 180
The left side of this equation is already a perfect square: <span>x^2-10x+25=35.
Rewriting it, we get (x-5)^2 = 35.
Taking the sqrt of both sides, x-5 = sqrt(35).
Solving for x: x = 5 plus or minus sqrt(35) (answers)</span>