Answer:
19 degrees
Step by step explanation:
The degree of a monomial is the sum of the exponents of all its variables.
In this case.
[tex]a^6=6[/tex][tex]b^8=\text{ 8}[/tex][tex]c^4=\text{ 4}[/tex][tex]d\text{ = 1}[/tex][tex]degrees\text{ = 6+8+4+1}=\text{ 19}[/tex]