Show all of your work. Find the value of x: 2x + 50 = 70​

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?