Answer:
A. (8, 7), B (19, −12), C (−21, 14)
Step-by-step explanation:
You swap the X and Y coordinate for reflections over y=x
Its the first choice.
You flip the coordinates so the point (a, b) shifts to (b, a). So point A (7, 8) shifts to (8.7).
3x^ - 4x - 76
Yeah it's Impossible
any number from 6 and above