What is the image of the point (-5, 6) after a rotation of 90° counterclockwise about the origin?

Which system of linear inequalities is graphed? can somebody pleasssse

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

5/6+7/8what is the answer sealsdbdbshd