Answer:
Im not sure but im pretty sure it is 9+144
Step-by-step explanation:
In order to be perpendicular, you must have a slope that is the opposite reciprocal, so the slope should by -3/4. So the equation could be y = -3/4x with any other number at the end.
20 degrees. The pics a little blurry, but it should be that
the answer is the first one y<0