The answer is option C. 16:22. This is because we’re comparing apple trees:orange trees. There are 16 apple trees and 22 orange trees. A ratio is just a comparison. Let me know if you need further explanation and I’ll be happy to help!
To find the zeros, you have to factor the equation. y=(x+19)(x-9) This is because 19*-9=-171 and 19-9=10. Now to make x=0, you have to make the equation x+19=0 and x-9=0 To solve, isolate x on both equations. This makes x=-19 and x=9.