PLEASE HELP ASAP (35 POINTS)

Use the quadratic formula to solve x^2-6x+5. Show all your work.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

What statement is true? 2x^2-9x+2=-1

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form