At a movie screening, there were 35 adults and 40 children. Using any ratio notation, write the ratio of adults to children.

X+ y = k 2x + 3y = k + 1 the point of intersection of the lines has an x-coordinate of a.2k + 1 b.-2k + 1 c.2k - 1

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

What percent of the circle below is shaded?