3x-12 ≥7x+4
Subtract 3x from both sides
-12 ≥4x+4
Subtract 4 from both sides
-16 ≥4x
Divide each side by 4
-4 ≥x
From point 4, you use a closed circle and the arrow is facing towards 0
(-3, 1.5)....simply add the x coordinates together, divide them by two, and then do the same for the y coordinates.
81 times 11 is 891
hope this helps u figure out your problem.