whoever answers right will be marked the brainlyest

The value of Y varies directly with X which function represents the relationship between X and y if y=18 when x=30.

A. Y =12x

B.y=5/3x

C. Y=48x

D. Y=3/5x






Is the following pair of lines parallel or perpendicular or neither.
2y=5x+14
Y+2=-2/3(x+10)






graph the function.
2y+7=3(x+5)