Here is a system of linear equations: 2x + 1 / 2=7
6x - 1/2y = 5
Which would be a more helpful for solving the system: adding the two equations or
subtracting one from the other? Explain your reasoning.

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square