Write an Equivalent Expression $w x$ A) $w+x$ B) $\frac{1}{w x}$ C) $w \div x$

Write an equivalent expression. Use a commutative law.
- $w x$

A) $w+x$
B) $\frac{1}{w x}$
C) $w \div x$
D) $\mathrm{xw}$