Answer:
All systems have 2 real solutions.
Step-by-step explanation:
there are X and Y unknowns.
Answer:
20
Step-by-step explanation:
I think it is 20. because 20 is already a whole number and when you divide 3 to 10 the answer will be 0.3. sum it all it will be 20.3 and when you round it off, it will be just 20?