Write an Equivalent Expression $9(\mathrm{np})$ A) $9(p n)$ B) $9 n+9 p$ C) $(9 n) p$

Multiple Choice

Write an equivalent expression. Use an associative law.
- $9(\mathrm{np})$

A) $9(p n)$
B) $9 n+9 p$
C) $(9 n) p$
D) $9(n+p)$