Aspinner marked with four sections blue, green, yellow and red was spun 100 times. the frequency of the color red is 68. if the spinner was spun 50 more times, how many of these times would you expect the pointer to land on red?

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.