Answer:
where is the graph and the ordered pair
Answer:

Step-by-step explanation:
The given relation is

To make
the subject, we square both sides of the equation to get;


Isolate
on one side of the equation;

Or

We take the positive square root of both sides to get;

Retail price would be $46.2 because,
10% of 42 is 4.2.
Meaning 42+4.2=46.2
or retail price.