Please help! And please show work.

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?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Solve the equation by completing the square. x^2+2x=17