ANSWER
[tex]9[/tex]EXPLANATION
The degree of a polynomial expression is the maximum of all the degrees of the terms in the expression.
The given expression is:
[tex]4x^3y^5a+7bc[/tex]The first term in the expression has a degree of:
[tex]\begin{gathered} 3+5+1 \\ \\ 9 \end{gathered}[/tex]The second term in the expression has a degree of:
[tex]\begin{gathered} 1+1 \\ \\ 2 \end{gathered}[/tex]Hence, the degree of the expression is 9.
