How much interest does a $318 investment earn at 9% over one year

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?

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2