What is the equation of the following graph?

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Long division the problem is 40 ➗ 348 = ?

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.