A negative integer + a positive integer

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

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Asap! i'm not good math and i'm lost.