Find the surface area

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

What is x3+3x2−16x−48 divided by x−1?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?