Complete the proof!!?

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

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

The measure of an angle is 117°. what is the measure of a supplementary angle?