This is a number greater then one, which can only be divided by itself and one

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?

Which of the following expressions is equal to 2x^2+8

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.