Find the distance between point g(5,3) and h(-6,4). show all work

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0