10ft 10ft 16ft height is 8 ft what's the area of a triangle

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

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.