Answer:
D because mean is the subtraction of the biggest number and the smallest. so 17-8=9
34.7 because 20.2 + 14.5 = 34.7
hope this helps :):)
For the above equation and given zeros of polynomial equation we have;
y=(x+2)(x-3)(x+4)
y=(x^2+2x-3x-6)(x+4)
y=(x^2-x-6)(x+4)
y=(x^3-x^2-6x+4x^2-4x-24)
y=x^3+3x^2-10x-24
Therefore our answer is 3
Hope this helps. Any questions please just ask. Thank you.