I need someone to help me with these I am confused

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 race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

16 more than the product of 5 and p