Simplify the Radical Expression $-\sqrt{\frac{625}{36}}$ A) $\frac{25}{6}$ B) $-\frac{25}{6}$ C) Not a Real Number

D)

Simplify the radical expression. Indicate if the expression is not a real number.
- $-\sqrt{\frac{625}{36}}$

A) $\frac{25}{6}$

B) $-\frac{25}{6}$

C) Not a real number

D) $-\frac{312}{18}$