Answer:

Step-by-step explanation:
The equation of a circle is given by:

Where (h, k) is the center and r is the radius.
The center of the circle is (1, -4).
And the radius is 3.
Substitute:

Simplify. Thus, our equation is:

Answer:
w
Step-by-step explanation:
Shirts: 3 x 15.50 = 46.50
120 - 46.50 = 73.50 left to spend on shoes
73.50/32.50(cost per pair) = 2.26....so he was able to purchase 2 pairs of shoes.
In 1 hour, Antoine travels 1.75 mi by dividing 5.25 by 3. So, after lunch, he hiked 4 hours. 1.75 times 2 is 3.5 mi every hour after lunch. So, 3.5 times 4 is 14 mi. + 5.25 is 19.25 mi., or 19 1/4 miles.