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Convert the equation to the standard form for a hyperbola by completing the square on x and y. x2 - y2 + 6x - 4y + 4 = 0? Pls solve math problem? I am trying to find an answer key to a chemistry table from chapter 12 so I can figure out how to do it. Picture included.? What is half of 33.21? 7/10 divided by 1/5 - 4/11 x 8/7 =?