Martin has collected 18 U. S. stamps and 12 international stamps. He wants to display them in identical groups of U. S. and international stamps, with no stamps left over. What is the greatest number of groups Martin can display them in?

What is the greatest common factor of 6a, 8a^{2}, and 14?

Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)