The center of a circle is located at (3, -4). The radius of the circle is 6.

What is the equation of the circle in general form?
Question options:

x2 + y2 − 6x + 8y − 11 = 0

x2 + y2 − 6x + 8y + 19 = 0

x2 + y2 + 6x − 8y − 11 = 0

x2 + y2 + 6x − 8y + 19 = 0

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

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