How do I calculate number 5

Nparallelogram lmno, what are the values of x and y? x = 11, y = 14 x = 11, y = 25 x = 55, y = 14 x = 55, y = 25n parallelogram lmno, what are the values of x and y? x = 11, y = 14 x = 11, y = 25 x = 55, y = 14 x = 55, y = 25

Is a positive integer raised to a negative power always positive

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)