The quotient of the quantity of a number minus 2 and 7 less then 20

Find the roots of the equation below. x^2 - 6 + 9 = 0

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit

Ineed with number 6 , explain how to get 1978