250,255,260,265,270,275 as an explicit formula

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

This is about circle theorems. someone asap : (

Which statement explains the relationship between corresponding terms in the table?