Exspression that is equivalent to 15 +80

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

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Given abc find the values of x and y. in your final answer, include all of your calculations.