I REALLY need help with this plzzz help 90 points for whoever answer + branliest

[tex] \purple{ \tt{ \huge{ \: ✨Answer ✨ \: }}}[/tex]
[tex]The \: \: answer \: \: is \: \: \red{ \boxed{ \boxed{ \huge{ \tt{ \: B. \: \frac{1}{ {x}^{5} {y}^{9}}}}}} } [/tex]