Answer:
Remembering the properties of numbers is important because you use them consistently in pre-calculus. The properties aren't often used by name in pre-calculus, but you're supposed to know when you need to utilize them.
It is B 10 minutes. Because every 4 min 2 litters leaked out since half of 10 litters is 5 liters and 5 divide by 2 is 2.5 then 4 time 2.5 is 10 so 10 min.
I believe the answer is J (both equal to and less than)
Explanation:
X= 4 3(4)= 12 which is less than 18
X= 5 3(5)= 15 which is less than 18
X= 6 3(6)= 18 which is equal to 18