What is 1 1/3 times 6/7 ​

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Me find the value of x each figure.