So mid point formula is...
(X^1+X^2 ÷ 2) and...
(Y^1+ Y^2 ÷ 2)
so if you plug it in you get...
(2+0 ÷ 2) = 1 (your x)
(2+0 ÷ 2) = 1 (your Y)
So P is at point (1,1)
The 2nd blank is the same way to solve give it a try and hit me up in the comments if you struggle.