Average=total/number of games
average=48/4=g
first one is correct
3/9 which can be simplified to 1/3. In percentage form is 33.33%
The number of friends change the total number of canvases needed, so the number of friends is the independent variable, so the answer is B.
For this case we must find

By definition we have to:

We have the following functions:

Now, applying the given definition, we have:

Answer:

-6, -4, -1, 3, 7
Hope this helps!