WILL MARK BRAINLIEST

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv