Answer:
-1128
Step-by-step explanation:
Okay so first of all you are going to cross multiply, which is simply multiplying diagonally across so (6x×5 and 25×3) then you just answer each part and set them equal to each other so (30x=75). Then you just divide 30 on each side which ends up being (x=2.5)
Its the second one. Everything is by a quarter. Its an octagon. Shouldnt be to difficult