Answer:
3 hours
Step-by-step explanation:
3 litter boxes
It depends what type it is
i say C. -5, -2, 1, 4, 7 is your answer for question 1.
and for question 2 i think is E. -6, -4, -2, 0, 2.
Completing the experiment a few more times and combining the results to the trails already done.