Answer:
Step-by-step explanation:
324 ft squared
For this case, the equation of the circle is given by:

We evaluate the points to see which ones satisfy the equation.
We have then:
For (8, 3):

Rewriting we have:

We observe that this point satisfies the equation and therefore, is in the circle.
Answer:
A point lies on the circle represented by the equation
is:
f (8, 3)
Answer:
An item that is $46.04.
Step-by-step explanation:
This answer includes the price Paul would pay including tax if everything in the store was marked as 10% off.