Answer:
$2278.50
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
The equation of a circle is
(x-h)^2 + (y-k)^2 = r^2
h= 9, k = -7
r = 2, so r^2 = 4.
We now know that the equation must equal 4, so we can rule out answers A and C.
Plug in the values for h and k to get
(x-9)^2 + (y+7)^2 = 4
Choice B is correct!
Answer:
-6
Step-by-step explanation:
Answer: Look that is not of mi grade!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! sorry baby XD ),:
Step-by-step explanation:
A They both do in fact concave down.