<h2>
Hello!</h2>
The answer is:
The equation of the given circle is:

<h2>
Why?</h2>
The equation of a circle is given by the following equation:

We are given the center point (4,-5) and the radius.
So,
Where:

Then, substituting into the circle equation, we have:


Hence, the simplified equation of the circle is:

Have a nice day!
Answer:
7/4 or 1 3/4
Step-by-step explanation:
Step-by-step explanation:
(6r + 7)+(13 + 7r)
= 6r + 7 + 13 + 7r
= 6r + 7r + 13 +7
= 13r + 20
Costs for miles driven = $99.50
No of miles = $99.50 / $0.50 = 199 miles