The set of all numbers less than or equal to -6 or greater than it equal to -2

Step-by-step explanation:

-6 ≥ x

-2 ≤ x

I don't think you can combine this into one statement.

Your line looks something like

<O                 O>

                  -6                 -2

Shade in the 2 Os. The shaded in Os  are included in the way the line looks.          

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.