Which of the quadratic functions has the narrow graph? y=1/4x^2 y=-x^2 y=4x^2 y=1/9x^2

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?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?