Choose the values of a and b that represent the factored form of w2 – 11w 18. w2 – 11w 18 = (w – a)(w – b)

How do you use the elimination method for this question? explain, because i really want to understand!

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c: