Which ratio correctly compares 8 pounds to 64, ounces when the lengths are written using the same units? note: 16 ounces = 1 pound a 1 : 2 b 8 : 1 c 1 : 8 d 2 : 1

In a quadratic function of the form ax^2+bx+c, which of the following is not true? a. the y-intercept is c. b. if a is positive, the parabola opens up. c. the vertex has an x-coordinate of -b/2a. d. the axis of symmetry is the line y=-b/2a.