Can someone help me plz

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?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take