Answer:
B
Step-by-step explanation:
F(x) = x^3 - 5x^2 - 6x
F(x)=x(x^2-5x-6)
F(x)=x(x-6)(x+1)
So, x=0,-1,6
31
39
x-3y=9
x-y=29
subtract
-2y=-20
y=10
x-10=29
x=39
I think it's A.
The difference = x - 5, where x is Jamie's height.
