What property is used to solve a multiplication equation

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be