Hey y’all I need help with this for my homework, ty to anyone who helps!

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

X-10/4 when x = –18 a 7 b –2 c –7 d 2

Find the percent error of the measurement 4 cm