Answer:
uhh 70
Step-by-step explanation:
Answer: 3
By the intersecting chords theorem,
y+9=3/4(x-8)
y-y1=m(x-x1)
y-(-9)=3/4(x-8)
y = x2 + x - 20 factors into
y = (x +5) * (x -4)
