You bought 0.40 pounds of spinach for $2.38. how much does it cost per pound

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection

Using elimination, what is -4x+2y=-12 4x+8y=-24