anyone know this??? please help, help!!! thanks!

Answer:
A
Step-by-step explanation:
Given a polynomial in standard form
The leading coefficient is the coefficient of the variable with the largest exponent.
The term with the largest exponent of the variable is
[tex]\frac{1}{4}[/tex] [tex]x^{5}[/tex]
Then the leading coefficient is [tex]\frac{1}{4}[/tex] → A