A=x+2y+z/3 solve the formular for the variable z

Determine the solution for mc001-1.jpeg

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?

Olivia needs to find the number of 1/3 cups are in 3 cups of rice she use the number line below to find 3 / 1/3 how many 1/3 cup servings of rice are in 3 cups of rice