If two is added to five times a number, the result is equal to 5 more than four times the number. Find the number

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

We just started the introduction into circles and i have no idea how to do this.

There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?