Your clothes washer stopped working during the spin cycle and you need to get a person in to fix the washer. company a costs $20 for the visit and $15 for every hour the person is there to fix the problem. company b costs $40 for the visit and $5 for every hour the person is there to fix the problem. when would company b be cheaper than company a?

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

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 the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?