Select the equations that show a proportional relationship between x and y. y = 3x - 3
y = 3x

Grandma made an apple pie. josh and his brother joe finished 4/5 of it. then 3 friends came over and shared the left over. how much pie did each friend eat

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship