How many inches of shoelace does a woman need?

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)

Find the solution to this system 2,1 1,-2 1,2 -1,2

What is the scale factor of axyz to auvw?