PLEASE ANSWER ASAPPP Using the following equation, find the center and radius:

x2 − 4x + y2 + 8y = −4

The center is located at (−2, −4), and the radius is 4.
The center is located at (2, −4), and the radius is 4.
The center is located at (−2, −4), and the radius is 16.
The center is located at (2, −4), and the radius is 16.

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  (b)  The center is located at (2, −4), and the radius is 4

Step-by-step explanation:

Completing the squares, we get ...

  (x^2 -4x +4) +(y^2 +8x +16) = -4 +4 +16

  (x -2)^2 +(y +4)^2 = 16 = 4^2

Comparing to ...

  (x -h)^2 +(y -k)^2 = r^2

we find (h, k) = (2, -4) and r = 4.

The center is (2, -4) and the radius is 4.

step-by-step explanation:

i could only see the first page. the other pages were blurry. ; -;

x hot dogs for 2$, y drinks for 3$. 29 items and total 70

2x+3y=70

x+y=29

if x=17and y=12

2(17)+3(12)=70

34+36=70

step-by-step explanation:

how many centimeters did the level of the salsa go down by?