Answer:
See below
Step-by-step explanation:
y = x^2 (x + 4) - 25(x + 4)
y = (x + 4)(x^2 - 25)
y = (x + 4)(x + 5)(x - 5)
Answer:200$
Answer: 1018
A = pi x r squared x height
= 3.14 x 6 squared x 9
= 1017.88
= 1018 to nearest whole number