Assuming no denominator equals zero, which expression is equivalent to the given expression?

[tex]\dfrac{\dfrac{r-5}{9r}}{\dfrac{5-r}{3r^2}}=\dfrac{r-5}{9r}.\dfrac{-3r^2}{r-5}=\dfrac{-r}{3}[\tex]

3 qrs + 3/2 xy hope this : /

step-by-step explanation:

where is the option given