Answer:
The correct answers are 8 and 9.
Explanation:
To solve an inequality you have to solve it like an equality, but when you obtain the solution you don´t have only one value but a set of values that fit into the solution, in this case, the solution to the inequality is:

The set of values found for the solution of this inequality indicates that r takes values greater than or equal to 8.
Therefore the correct answers are 8 and 9.