Tolong jawabannya, masalahnya di kumpulin besok

1.
360 – 90 – 156 – 39 = 75

2. 130 (asumsi segitiga sama kaki)

3. 180 – 125 = 55

4.
6x = 3x + 15
3x = 15
x = 5

5. gambar gak jelas