Please answer both math questions with full working out

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

Of four points are collinear, they are also coplanar

What is the difference between the predicted value and the actual value