Which equation correctly shows how to determine the distance between the points (9,-2) and (6.3) on a coordinate grid?
A. d=V(6-3)2+(9–1–2)
B. d=V(6=3)2 + (9+(-2)
C. d= V(6–9+(3-(-2))2
D. d=V(6+ 9)+ (3+ (-2)

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

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

∆red ≅ ∆ by rule will give brainiest if possible