It would have an infinite amount of solutions.
Change each equation into y=mx+b form and then do system of equations.
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21/180 would be .1166666667
Try 116, you add up all the numbers and subtract by 180.
Check the picture below. So the parabola looks more or less like so.
let's recall that the vertex is half-way between the focus point and the directrix, at "p" units away from both.
Let's notice that the focus point is below the directrix, that means the parabola is vertical, namely the squared variable is the "x", and it also means that it's opening downwards as you see in the picture, namely that "p" is negative, in this case "p" is 1 unit, and thus is -1.