4/ Please help. What are the coordinates of point I?
Enter your answer as an ordered pair, formatted like this: (42, 53)

We can do math with points like they were variables

H = (I + J)/2

2H = I + J

I = 2H - J

I = 2(1,0) - (-5,-4) = (2 + 5, 0 + 4) = (7, 4)

(7,4)