Answer:
I'm sorry i dont think i understand what do u need help with
Step-by-step explanation:
(y-4)(y^2+4y+16)
y^3+4y^2+16y-4y^2-16y-64=y^3+4y^2+ay-4y^2-ay-64
Comparing the coefficients: a=16
Answer: The value of a in the polynomial is 16
You would end up having $12,000 at that rate since 54 divided by 9 is 6
Mathspapa.com ok find it there
