Hi, please don't anyone know these examples: 49 ° 31´- 26 ° 48´ = 315 ° 6´- 48 ° 29´ 180 ° -35 ° 23´ 270 ° -54´ 90 ° -42 ° 57´ Us they will mark it tomorrow and I will learn it tomorrow, it is evening now, I have to sleep and I can't teach it, would someone please be very kind and would they calculate it for me? Thank you so much if someone like that