What is the equation of the circle with the center (-1,-2) and passes through the point (6,4)?

  (x +1)^2 +(y +2)^2 = 85

Step-by-step explanation:

The equation of a circle with center (h, k) and passing through (a, b) is ...

  (x -h)^2 + (y -k)^2 = (a -h)^2 +(b -k)^2

Filling in your numbers gives ...

  (x -(-1))^2 +(y -(-2))^2 = (6 -(-1))^2 +(4 -(-2))^2 = 49 +36 = 85

  (x +1)^2 +(y +2)^2 = 85

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step-by-step explanation:

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"