It is parallel if the lines are in straight line next to each other, but don't cross.
It is perpendicular if these lines intersect to form right angles.
Neither if they don' t follow these rules
Use photo math it shows you the steps it takes to get the answer.
Square root of 21 is
<span>4.58257569496
</span>
I rounded it to 4.58
Answer:
do the a dozen for $13.50
Step-by-step explanation:
It will help save money