The number of students in a chess club is decreased from 28 to 20. what is the percent decrease?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?

Aline that intersects one of two parallel lines intersects the other also always sometimes never