Graph the inequality on the number line.

r≤−9 look at the picture

9514 1404 393

  see below

Step-by-step explanation:

The symbol ≤ means the dot at -9 will be solid, because the value -9 is part of the solution set. The line is shaded for values less than -9, because that is what the inequality is telling you are values of r that are in the solution set.

7

step-by-step explanation:

entering that problem on the tube might get you an answer