Help me here please help

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

How many grams the dog will eat in 3 days?