Answer:
The answer is the last one.
Two real solutions: plug into quadratic formula and X= -1 or 1.75
2, No solution
3, Infinite many solutions
4, (0,-3)
i hope i was able to help!! so sorry if i made a mistake
it depends on how many people he wants in each column .
Answer:
ok I can't do it, but maybe someone else will help you
