Answer:
Yes it is 4
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Let n= Number of packs John needs.
Tiles in 1 pack = 6
Tiles in <em>n</em> pack = <em>6n</em>
If he needs at least 100 tiles.
then
6n ≥ 100

The required inequality: 
Line A and B are perpendicular and Line A and C are parallel
Irrational number: Any real number that cannot be written in fraction form is an irrational number.