Which is the graph of the equation ?

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

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

With: label the vertices and all the elements needed. find x