I don’t know if you can see this but I hope it does if u don’t understand let me know so I can explain!
6 songs
The way to find this answer is to divide 18 by 3, which is six, which means that after every six songs a commercial is played.
Hope this was helpful and that I explained it correctly.
Perpendicular lines have slopes that are negative reciprocals of each other, so the equation of the line in point-slope form is:

Rewriting this in standard form,

Answer:
4.93
Step-by-step explanation:
Answer:
1,787 for intreast and 1772
explanation:
that is from a reliable web site calculator