Here, what do we do if it says y=-x or y=x

You plot the points on the graph first with a pencil. Draw the given line, in this case, it's y=-x.

From a point, you do rise and run to the line and reverse it on the other side of the line to get the points.

Refer the attached diagram, for easy method.

Hope it helps :)

answer: the correct one is a

step-by-step explanation:

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.