Answer: 5x 5y
Step-by-step explanation: because of the length
1,2 liters of water = 1.200 millimeters so if he drinks 200 millimeters he has 1,000 millimeters left or 1 liter of water left
Since you requested I answer this, I will do my best, but I'm not sure I can explain it well.
45° clockwise from due east is just 45° from the east. Moving clockwise, which is the direction the hands of a clock move, you're going to the south, and since it's by 45°, you're halfway between east and south, so you're southeast.