Which exspession below below result in a positive integer ? please show work. A) (-5-1)x(-1x-1)

B) (-4)x(-5+1)

C) (-5)x(-6+3)

D) (6-3)x(-6+3

In the first triangle 80+20+p=180 (since sum of all angles of a triangle is 180)so p= 80also in second triangle 55+45+q=180 (since sum of all angles of a triangle is 180)so q=80so we can conclude that p=80 degrees q=80 degrees so p=q=80 degreeshence option b is correct

5(2a-5+b). xbox xboxxbx xb