The expression that is correctly paired is three more than the quotient of nine and a number cubed, decreased by 2 =[tex]3+9/n^3-2[/tex]
Explanation
All the other expressions are not eligible to be paired with the description
consider the first description
The correct expression for this is [tex]n^3/4 +8-2[/tex]
consider the second description
The correct expression for this is [tex]6(5-n^2)[/tex]
consider the fourth description
The correct expression for this is [tex]2(n^2-3)[/tex]
The only expression that matches its description is the third expression.