High School

Which is an expression of degree 4 with a leading coefficient of 9 and a quadratic term with a coefficient of 10?

A. [tex]9x^4 + 2x^3 + 10x^2[/tex]
B. [tex]10x + 2x^3 + 9x^4[/tex]
C. [tex]10x^2 + 9x^4 + 4[/tex]
D. [tex]4 + 9x^4 + 10x^2[/tex]