The answer would be about 0.111
Type of lines ? Not the best question.
Answer: Perpendicular, first choice
The little 90 degree angle indicator at the intersection marks these lines as meeting at a right angle, which is called perpendicular.
Answer:
[ where
is number of months]

Step-by-step explanation:
Pool pass cost for first month =$30
Pool pass cost after first month = $15 for each month
The total amount charged by the pool can be expressed as a function
where
represents the number of months.

This can be simplified by using distribution.



Take 15 as greatest common factor.
∴ 
For 



∴ Amount charged by pool for 12 months = $195