Is 6xy2 is the greatest common factor of 12xy2, 36x2y2, and 42xy4

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.

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

What is the value of x in the equation7x+2y=48 when y=3