Is −2π rational or irational?

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.

Bring the fraction a/a-4 to a denominator of 16-a^2

4+(2+x) can you me solve this problem