Factor x2 - 6x + 9. a) (x - 3) b) (x - 3)(x + 3) c) (x - 3)2 d) (x + 3)2

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

12 3 4 5 6 7 8 9 10time remaining01: 24: 54which graph represents this system? y=1/2x + 3 y= 3/2x -1

I’m not good at math can i have ? ?