9. Two friends, Suban and Jas, start from the same point but ride their bikes down two different paths. The paths diverge at an angle of 38. Suban rides down his path at 12 km/h, and Jas rides down his path at 14 km/h. Determine how far apart the two are after riding at their respective speeds for 90 min.(four marks) 10. Simon is due north of a tall totem pole and walks 75 m, 40 west of south. From his new position, the totem pole is due east, with an angle of elevation of 17. Determine the height of the totem pole, to the nearest tenth of a metre.(four marks)