Answer:
<h2>x = 6, y = -5 → (6, -5)</h2>
Step-by-step explanation:

It depends on student brain capability to understand the teacher, atleast 2 times is enough for a Brilliant student and an average student would take atmost 5 while the dull ones it would have to repeated until he or she gets it
The answer is 14. You would get x to the second power and 196. Then you have to square root both sides and you would get x=14.
I could be very much wrong but maybe 45 cm3