Enter the conversion as a decimal in the box. do not round the answer. 12 inches = 1 foot 3 feet = 1 yard 432 inches = yards

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)