Rearrange x²+y²-4x+6y=-11 I'll tell you an easy way. take the coefficient of x and divide it by -2 and the coefficient of y and divide it by -2 so -4 ÷-2 = 2 6÷-2= -3 (2,-3) is the center of the circle to know the radius √2² + -3² + -11 =√2 The Radius equals √2
40/1.4=28.57 i think this is right
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1536
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12 x 8 x 4 x 4
(might be wrong)
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Im Not Getting The question through my head , if the question is does a marine biologist study ....... dadadada then yes they do
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The answer is B.
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