Add or Subtract as Indicated $\left(5 n^{5}+4 n^{2}-9\right)-\left(-11 n^{2}+9 n^{5}-19\right)$ A) $-4 n^{5}+15 n^{2}+10$

Multiple Choice

Add or subtract as indicated.
- $\left(5 n^{5}+4 n^{2}-9\right) -\left(-11 n^{2}+9 n^{5}-19\right)$

A) $-4 n^{5}+15 n^{2}+10$
B) $-4 n^{5}+13 n^{2}-28$
C) $21 n^{7}$
D) $-4 n^{5}+15 n^{2}-28$