Hey, can anyone here tell me how to identify different forms of linear equations, and what those forms are?

The number of possible solutions of a polynomial can be found by looking

Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x

Find the length of cu, the triangles are similar.